Home > Statistics Every Writer Should Know > Stats Board > Previous Topics
Here are previous topics - not responded to within two weeks:
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classification software
- From clark, 1 response
'A Beautiful Mind': Movie Reviews?
- From Robert Niles, 8 responses
z-factor
- From Virginia, 2 responses
Non normal distributions
- From carlos peña, 4 responses
To JG:
- From Ali, 2 responses
Are dogs smarter than Cats?
- From Guy, 13 responses
simple probability question
- From Ali, 2 responses
Weighted Gross Profit Margin
- From Jeri, 2 responses
Norms
- From Corné, 3 responses
Normal Distribution
- From Eunjoo, 1 response
Analyzing Survey Data
- From Tony Vallin, 2 responses
UCL and LCL !!
- From Poileak Le, 4 responses
media
- From Mike, no responses
DIF analysis
- From Ghada Eid, 2 responses
Matched Controls
- From Ronald Hellman, 1 response
current employer
- From kbed, no responses
related variables?
- From Matthew, 1 response
weighted mean
- From aileen, 2 responses
senior citizens involved in automobile accidents
- From coralee aupperle, 5 responses
probability distribution...help!
- From retrof, 1 response
R-square in Multiple Regression
- From mario, 1 response
finding a standard deviation
- From john amos, 1 response
confusing coefficient signs
- From clark, 2 responses
Normal Standard Deviation
- From retrof, 1 response
Data Transformation
- From Dave, 1 response
Calculation of Statistical Significance
- From Carol Broderick, 1 response
Comparison Groups
- From Mark H., 1 response
odds of occurence with three correlated events
- From andrew, 1 response
Sophia in novel Tom Jones
- From shay, 1 response
DOE for ergonomics
- From dalma, no responses
statistics
- From rooman, 1 response
psychology study
- From Mindaugas Naruðevièius, 1 response
Standard Deviation
- From Donna Morgan, 1 response
What is the mathemetical formula of the Excel Beta distribution?
- From Cees Luijendijk, 4 responses
misuse of statistics
- From Toni chamberlain, 8 responses
Sharpe Ratio and Standard Deviation
- From Martin, no responses
Date Co-incidence
- From Saul Denyer, 1 response
if i flip a coin three times, what are the chances of getting heads one of the times
- From andrew, 1 response
- From ALI HASSAN, 1 response
Stats
- From Kevin C., 1 response
non -parametric statistics
- From FAIZA, 2 responses
sample size and normal distribution
- From Lee Bascom, 3 responses
Writing a statistic problem in education
- From Varn Bruce, 4 responses
prediction test
- From ansuman, 3 responses
meaning of "fully anchored"
- From Sharon, 1 response
Regression Analysis
- From Jan Benzuly, 1 response
what is the difference between parameter and statistic
- From Charles, 2 responses
Standard T-test
- From Kathy, 2 responses
cronbach alpha
- From shah, 2 responses
Stats Text
- From Bruce Sahli, 1 response
Confidence interval vs. standard deviation
- From Jennifer, 5 responses
which statistical test should be done? and why?
- From john nguyen, 2 responses
PART/PARTIAL CORRELATION
- From DONNA KIMBERLIN, 4 responses
percentiles
- From Peter, 2 responses
significance of data
- From David, 4 responses
Confidence level
- From Eduardo Arvizu, 1 response
Coding for discriminant analysis
- From Shaun, 1 response
Proper coding for Disriminant Analysis
- From Shaun, no responses
unrelated t-test
- From Maureen, 1 response
Finding a sample size
- From Janice M, 1 response
Confidence Intervals
- From Lori, no responses
Need help with percentiles
- From Peter, 2 responses
Dispersion effect
- From Tariq Mian, 1 response
Std. error vs. Std. deviation
- From Carrie, 1 response
Violation of Normality
- From Nicole, 1 response
Margin of error in a small survey?
- From Rob Cox, 1 response
ANOVA overlapping confidence intervals
- From Hanson, 1 response
Tchebycheff's Inequality
- From Chito E., 1 response
Birthday probability question
- From Brian, 5 responses
cronbach's alpha
- From babra shafi, 1 response
INFORMATION TECHNOLOGY
- From BABER MIRZA, 1 response
kappa coefficient calculations
- From Chris, 3 responses
Human Error
- From Susan, 2 responses
gamma error / delta error??
- From Dr Pooja, 1 response
What is the relation between modelling and statistics?
- From Farrah, 1 response
Binomial distributution
- From August, 1 response
Binominal procedural help needed
- From Bob Evans, 2 responses
Alpha error or beta?
- From Dr Pooja, 3 responses
confidence values
- From lee, 1 response
Two standard deviations
- From S. Bush, 3 responses
Urgent! PLEASE HELP TO SOLVE THESE QUERIES!
- From kish, 4 responses
Please Help With This Question Thank you
- From Mary Ann, 1 response
Statistical Confidence Level-Help Please
- From Bob Evans, 1 response
Land Surveyor needs help
- From Carl, 4 responses
Legal Stats
- From Kari, 1 response
Mean
- From Kevin, 2 responses
More Help
- From connie, 1 response
Risk of repeated exposure to an event
- From charles, 1 response
Combinations
- From Kcott, 1 response
confidence interval and standard error
- From Hahm, 1 response
n/k ratio
- From Stacy, no responses
Help please!
- From Connie, 1 response
Don't laugh too hard but..."t" in t-test?
- From Joe, 2 responses
Standard Deviation
- From Kcott, 1 response
Probability
- From Kcott, 1 response
Distribution
- From Kevin, 1 response
Dishonest coin
- From Kevin, 1 response
interquartile range
- From Kcott, 1 response
Differences between the REMSEA index and the chi2-statistic?
- From Mads, no responses
H0, H1, critical and test value.
- From Bridget, 1 response
confidence interval
- From Sh, 1 response
I'm sure this is simple but I don't know...
- From Chris, 4 responses
How Statistics Lie
- From John, 2 responses
urgent help needed!
- From katy, 1 response
Legal Stats, P-Values
- From Kari, 1 response
Will pay reasonable fee to have survey data analyzed
- From Danelle Russillo, 2 responses
Help for disseration - analysis of nominal data
- From Maria, 1 response
regression
- From m.d., 2 responses
Hypothesis test
- From m.d., 1 response
Testing the differences between 2 means
- From Shaun, 1 response
recoding data for regression
- From boulton, 3 responses
Rank 5 Sportscars
- From Danny, no responses
Meaningful varience from Cisco RTR agent (data networks)?
- From Stuart, 2 responses
Ljung-Box Q-statistic
- From Tomi Owens, 1 response
tying together studies for a systematic review
- From Veronica Kennedy, 1 response
T-test, F-test research for companies
- From Kari, 1 response
logistic regression
- From j. boulton, 5 responses
Interaction Term Interpretation
- From Matthew, 1 response
HELP ME!!!COURSE WORK
- From murali, 1 response
calculating averages w/non significant data
- From wk, 1 response
Help!!!!!!! Maths Coursework
- From Avinder, 4 responses
Math
- From Larry, 1 response
spearmans rank, really urgent!!!
- From nikki, 5 responses
Help me
- From viju, 2 responses
ANOVA--HELP!
- From Katja, no responses
GLM and proportions
- From Mark Waters, 4 responses
2 emergency probablity questions
- From eva, 1 response
I need help finding statistics for my persuasive paper.
- From VaNessa, 4 responses
URGENTLY need help - chi square vs t-test
- From mani, no responses
standard deviation
- From michisaiah, 1 response
% RSD
- From edusan, 2 responses
How to test it?
- From Julie, 1 response
Lumber Company-- Very Urgent Please Help!!!!
- From Mariah, 1 response
Paired t test- in obese and non obese females
- From Dr Pooja, 7 responses
Cochran's Q
- From Ben Ditkowsky, no responses
using Chi-Square for two samples
- From Sherry, 2 responses
reliability test
- From Lokman, 2 responses
dentistry
- From pallegama, 1 response
Pearson's r rule
- From Cheri, 3 responses
Split plot analysis
- From TOMMY, no responses
P/T ratio equivalent for one sided spec??
- From PMH, 5 responses
More Two-Samples!
- From Michelle, 1 response
What is disadvanetage of Masterbedding?
- From Tommy boy, no responses
Two Sample Stuff--Help!
- From Michelle, 1 response
3 questions I am stuck on?
- From Kevin, 2 responses
How to assess?
- From Ruby Lo, 2 responses
Segmentation analysis
- From Stuart, no responses
coefficient of variation
- From S. Brimble, 1 response
Gage R&R: Gage Sigma > Total Sigma.......??
- From PMH, 8 responses
Calculating Percentiles
- From Tiffani, 8 responses
Line up 5 people different ways??
- From RedHead, no responses
Probability--URGENT!!!!!!!
- From Michelle, 1 response
probability distribution
- From Cathie, 1 response
Spearmans Ranking, V. Urgent!!
- From Rachel, 1 response
Bimodal distribution
- From Lena Kupriyanova, 4 responses
How to calculate this problem
- From Dr.Sankar, 1 response
About Chi square analysis and P value
- From Dr.Sankar, 3 responses
Contrast coefficients
- From Mike, no responses
normal distribution and correction
- From Ruth, 6 responses
cash paid for statistics help--no joke
- From Steve, 1 response
Hierarchical clustering
- From David Camacho, no responses
t
- From jodi, 2 responses
Critical values?
- From Tom Henry, 1 response
Finite-population correction factor
- From Denice, 1 response
More Hypothesis Testing!
- From Jamie, 1 response
coefficient of determination
- From jodi, no responses
Analysis
- From Matt, 1 response
Hypothesis Testing (easy for you, hard for me!)
- From Jamie, 1 response
pattern
- From thami, 4 responses
Probability again.
- From Donna, 4 responses
roofing-how to figure square feet
- From gibby, 4 responses
point biserial & sample size
- From Lilian, 4 responses
probability
- From Donna, 2 responses
Internal Communication Statistics
- From Diane Palencia, no responses
Type I and Type II errors
- From Jason, 1 response
Time period assessment
- From Jack, 3 responses
What does FGD mean?
- From Bal, 3 responses
Venn diagram logic question..HELP!
- From RedHead, 1 response
1 way or 2 way anova?
- From Dalia, 2 responses
skewed data curve
- From Jeanette, 1 response
Repeatability
- From Nora, no responses
95% level of significance
- From rama, 1 response
Multiple Regression/p-values
- From Jeffrey, no responses
ordinal data - can you provide mean and sd?
- From Shelly, 2 responses
Probability in a sales call
- From corin1, 2 responses
What is a recurring field?
- From John Bond, no responses
t-test vs paired t-test
- From Andrea Laliberte, 4 responses
Desribing Data
- From Twana, 1 response
What statistics to use
- From matt, no responses
Poisson Random Variables
- From Mike, 1 response
geometric mean
- From Zoe Martinez, 5 responses
What test/s do I use?
- From Jerry Hall, 1 response
A test tomorrow om statistical inference!
- From Rich, no responses
homework help SOS!!!
- From Linda, 2 responses
Control Groups - How big?
- From Michele Zuniga, 1 response
significance
- From Tom, no responses
Regression v. CHAID
- From Jim, no responses
homework help!
- From Amy, 1 response
Help with research
- From Sharon Bullins, no responses
pooled standard error
- From Lisa Appeddu, 4 responses
risk adjustment
- From Diane White, no responses
probability distributions
- From Jim, 1 response
Polls in Election 2000
- From susan smith, no responses
standard scores
- From Holly, 3 responses
Linear Contrast
- From Jeff P, 2 responses
4 independent variables and nominal data
- From thiGGer, 1 response
Mean when value = 0
- From Snorkyller, 1 response
Analysis of variance
- From Ebrahim Ali, 1 response
log transformations of variables
- From Shelly, 3 responses
Violation of ANCOVA equal slopes assumption- now what?
- From Dave, no responses
Std. Dev. of Geo. Mean?
- From David, 1 response
Gage R&R
- From dalma, 2 responses
Precontrol process control techniques
- From Lance, 8 responses
paired t-test
- From ziv, 4 responses
Why square to get the standard deviation?
- From Martin Vézina, 3 responses
Spearmans formula
- From Mark, 1 response
logistic regression
- From ajit, 1 response
standard deviation and mean
- From Jamie Arsenault, 1 response
Examples of bad use of stats in the news?
- From Robert Niles, 3 responses
Hypotheses Test
- From Darlene, 1 response
Distribution of Variation
- From esan, 1 response
Validation experiment
- From dalma, no responses
50 to 1 odds
- From Farres, 3 responses
Role of statistics in the world of Informaion Technology
- From ADEEL TAHIR, 2 responses
Coefficient of Variation
- From E. Sanchez, 1 response
standard deviation
- From jon allen, 2 responses
Lost in probability
- From Melanie, 3 responses
RMSEA
- From kathleen ashton, 1 response
5 Basic Elements of Statistics
- From Rose, no responses
average vs. "per week" average
- From M.Brennan, no responses
averaging a set of numbers
- From Carol Albertini, 1 response
percent and weighted results
- From Xavier V-P, 1 response
Stuck for a formula
- From Michael, 3 responses
gage R & R
- From Roy, 8 responses
growth rate formula
- From david, 4 responses
Explain 1 in 10,000
- From David B., 2 responses
Fibonacci numbers & golden section 1.618..
- From T. LUK, 3 responses
bivariate versus multivariate
- From Joan, 1 response
Statistical Tools
- From Lucky, 2 responses
Water Sampling
- From Enrique Cantarell E, 1 response
desperate for help
- From care, 1 response
dreadscott decision
- From joseph gross, 1 response
RMS vs standard deviation versus standard error
- From Chad English, 3 responses
math question
- From marilyn, 2 responses
Conditional Probability Question
- From karin, 2 responses
Standard Error
- From Rachele, 1 response
Statistical test for a hypothesis
- From angie, 1 response
what sample size?
- From Ryan Soisson, 1 response
Chronbach's Alpha
- From Rick Hux, 4 responses
discontinuous data in excel
- From Rebecca Smith, 2 responses
group permutation methods
- From susan, no responses
Questions In Evaluating Medical Article
- From Joel, no responses
Which tests? Parametric or Nonparametric
- From Rob, 1 response
statistics
- From richie robles, 2 responses
statistical confidence that there is one materil identified more often
- From Rachele, no responses
Variance formula
- From Sinzana, 6 responses
stasisics
- From yuzheng, no responses
Regression and optimising advertising mail
- From Sonny, 4 responses
bar charts
- From yuzheng, no responses
factoring
- From Edward Bordner, 1 response
Chi-square test
- From Pat, 3 responses
How do you compute the Beta in Excel 2000?
- From Ray, 1 response
Risk Management
- From Bailey, no responses
split plot model problem
- From Josh, 2 responses
How to convert daily return into an annalized return of a stock price?
- From Carlos, 2 responses
more on logistic regression
- From Susan Daniels, 4 responses
level of significance
- From wasco, 5 responses
How do I develop a valid "index"
- From Howard, 1 response
intraclass correlations
- From Theresa, no responses
Developing a Percentile Ranking
- From Susan Pensiero, 1 response
correlation coefficient
- From Patrick, 1 response
Difference in Proportion
- From Paula, 3 responses
Correlation coefficient
- From Joseph, 1 response
Normal Distribution
- From Fee, 3 responses
Disjunction and continuous pdfs
- From Sam Staton, no responses
Degrees of Freedom & two-way chi-sguare test
- From Carey, 2 responses
ssubtract score from mean
- From Misti Bassett, no responses
news letters
- From Ehsan, 1 response
Pearson's correlation coefficient
- From Paula, 1 response
correlation coefficients
- From Bobby, 1 response
Help with multiple choice question
- From Pat, 1 response
Multiple Choice STATS
- From Pat, 1 response
Two-way Test and Degree of freedom
- From Pat, 1 response
Data Collection
- From Saphire, 1 response
Correlation
- From Pauline, 1 response
Correlation
- From Pauline, 1 response
Correlation
- From Pauline, no responses
Alpha level, chi-square test, and null hypotheseis
- From Joseph, no responses
Crombach's Alpha
- From Brenda, 4 responses
difference between normal distribution and standard normal distribution
- From Nadina, 2 responses
help reqd in determining sample size
- From anish, 2 responses
Manova
- From arien, 1 response
intraclass correlations
- From Theresa, 1 response
CSP Calculations
- From Phil White, no responses
Probability
- From Fee, 1 response
Test Hypothesis
- From Bobby, 1 response
Margin of Error
- From Jim, 1 response
PROBABILITY
- From jimmy, 1 response
Z scores and proportion
- From timmy, 1 response
Test Hypothesis
- From Timmy, 1 response
Standard Deviation
- From Fee, 2 responses
Probability
- From Marquis, 1 response
Normal Distribution
- From Timmy, 1 response
Pro's and con's of using precontrol charts
- From Enrique, 6 responses
Be wary of stats.org
- From Robert Niles, 3 responses
% area under normal curve vs sigma
- From Matthew, 1 response
Normal distribution
- From Pauline, 1 response
Probability
- From Saphire, 1 response
gain standard deviation
- From naz, 4 responses
Mean / Standard Deviation
- From Marquis, 2 responses
is ROC correct?
- From Jen, 3 responses
relative Percent Difference
- From Premal, 2 responses
Construct validity
- From arien, 3 responses
Simulated mate finding by random encounter
- From John Dunbar, 1 response
Q: bookstore shopping stats
- From kim, 1 response
cardiac surgery
- From Larry Brown, 1 response
Nonparametric ANOVA on Excel
- From Grad Student, 1 response
Forecasting
- From Kat, 1 response
Chi-Square and Multiple Response?
- From Dan Woodlief, 3 responses
Which tests?
- From Charles, 1 response
Why use RPD?
- From Ron Gauthier, 1 response
Level of Measurement
- From Pauline, 1 response
Mean / Standard Deviation
- From Marquis, no responses
Level of Measurement
- From Fiona, 3 responses
JG, please help me !!
- From Kevie, 2 responses
Forecasting
- From Kat, 1 response
Bail me out
- From Saphire, 1 response
table of random numbers
- From Dee, 2 responses
adjusting frequency counts in a chi-square
- From Peter, 1 response
one vs two tailed tests
- From Kate, 2 responses
Can you help me ?
- From Kevin, 1 response
standard deviation
- From Greg H, 1 response
Probability
- From Holly, 1 response
what is textual method all about???
- From hazel, 2 responses
Question
- From Kathy, 1 response
Question
- From Kathy, 2 responses
Multiple regressions aargh
- From kate, 2 responses
ANOVA or T TEST
- From steve, 1 response
stats riddle
- From Barbara, 1 response
Moderating Variable ?!
- From kevin, 1 response
logistic regression ad nauseum
- From Susan Daniels, 1 response
odds ratio in logistic regression
- From Susan Daniels, 3 responses
Critical value
- From Drema, 2 responses
statistically independent
- From susan, 2 responses
Non-normal Distribution
- From kevin, 1 response
Coefficient of Variation
- From Christina, 3 responses
help with this problem please
- From Linda, 1 response
JG are my answers right
- From Carol, 1 response
How do I hand calculate MANOVA?
- From Val, 5 responses
Question
- From Tom, 3 responses
How to count the weighted average for my case ??
- From Kevie, 2 responses
Taguchi Design of Experiments
- From Carole Yaw, 6 responses
Weighted Average???
- From Cayman Little, 5 responses
Chi-square or t-test?
- From Jenny, 2 responses
statistics
- From Felicity, 1 response
t distribution and standard normal distribution
- From Robin, 1 response
T-test of hypothesis
- From liz, 2 responses
Business Statisics
- From Connie, 1 response
I forgot to ask about part "C"
- From Tom, 1 response
Is my answer right?
- From Kathy, 1 response
Check Answers and Help with the last one please
- From Linda, 1 response
Null & Alternative Hypotheses
- From Tom, 1 response
stats
- From Carol, 1 response
Books on Statistical Thinking?
- From Greg, 1 response
Random Variable
- From Linda, 2 responses
Binomial Tables
- From Kathy, 1 response
Probability
- From Linda, 1 response
Stat
- From Linda, 2 responses
Please Check my answers
- From Carol, 1 response
Solve
- From Cathy, no responses
Probability
- From Cathy, 2 responses
Probabilities
- From sherri byrd-bridges, 2 responses
Random Variables
- From Linda, 1 response
Hockey
- From Amy Spalding, 1 response
Basic Statistics
- From Linda, 1 response
Difference betn correlation and regression analysis
- From Chandra Prakash, 3 responses
survival annalysis
- From Maria, 1 response
normal distribution
- From Christina, 3 responses
Reporting Point-Biserial Correlation
- From Diane, 1 response
Distribution Deviation & Distribution Skewness
- From Katherine Baird, 4 responses
Mill/property tax
- From Kathleen, 1 response
Probability difficultities
- From Tara Ryan, 1 response
What is a Rasch analysis?
- From Maggie, 3 responses
How many samples
- From stuart, 2 responses
Non-parametric test for interaction
- From Mitch, 1 response
Dunn-Bonferroni Contrasting Procedure
- From Tiff, no responses
weighted kappa
- From Kendra, no responses
Need a Research contract
- From Michelle Saunders, no responses
Sigmoidal Curves
- From Jane Westerman, no responses
Strategy & Venture philosophy
- From MEM, no responses
significance of non-linear regression parameters
- From Mike Yong, no responses
Need help in Research Methods
- From Paul, no responses
Probability (again!).....
- From DaveJW, no responses
standard deviation
- From Angelo Jacala, no responses
intraclass correlation coeficient
- From mandy, 3 responses
i think my prof's wrong, so who's right???
- From sue, 5 responses
independentand dependent variables and t-tests
- From Bernadette, 2 responses
wat should i put in my stats cours work???
- From ali, 1 response
- From javad, no responses
help i need to know anything!
- From nicola, no responses
compairison
- From david, 2 responses
Center of Population
- From Mickey Crawford, 2 responses
Is it multiple regression?
- From SBM, 1 response
Error Type
- From Jim, 1 response
Psychology Statistics
- From Precious Knudsen, no responses
Help with point biserial correlation!
- From sue, 1 response
Standard Deviation Hypo
- From Jeff, no responses
Power transformation
- From Milind Sathye, 1 response
Proportions z & t tests
- From Andrew Romeo, no responses
non parametric tests
- From Marcelo Sosa, no responses
Automated calculation for margin of error
- From Jim, 2 responses
Kappa statistic classification
- From KO, no responses
BEG U..help me work out proper test to use, please!!!!
- From Craig Callan, no responses
Averages of Ratio
- From Brenda, no responses
Null Hypothesis
- From Rain, 1 response
Combination
- From Dat Tu, 2 responses
comparing more than two regression equations
- From Tess, 1 response
math question
- From Mick Graham, 3 responses
Runs Test Ideas?
- From Stephanie, no responses
Utility Estimates
- From Monica Davila, no responses
confidence limits of a mean
- From Lehna, no responses
Help pls for this question....
- From Durga, no responses
stats, Please, can some help me?
- From julie lynch, 3 responses
survey compairison
- From david, no responses
Johnson non-normality transformation
- From Darius, no responses
Tobit regression analysis
- From Alex, 2 responses
Advantages/disadv. of mean and median
- From Chandra Prakash, 1 response
what is standard deviation ,frequency,mean ,median ,variance ?What are their formulae?What is the difference between them?
- From sameer, 2 responses
What is the mode?
- From Parent, 4 responses
iq question
- From ron, 1 response
t-test
- From gigi, 1 response
statistic
- From veronica savage, no responses
Sample Size Errors
- From Jamie, 1 response
Permutations and Combinations
- From Hung Cheung, 1 response
reliability
- From edwin, no responses
Why N-1?
- From George Sykes, 1 response
Coding Answers to questions
- From Bill Wootton, no responses
nonparametric stats
- From Holly, 2 responses
Thinking about some site changes...
- From Robert Niles, 1 response
Collaborative Filtering
- From Robert Niles, no responses
statistical study
- From Francis, 2 responses
Square miles
- From Laura Brown, 2 responses
association
- From Olivier, no responses
Some statistics humor for a change
- From Phil, no responses
Probability questions
- From Jewell, 1 response
SPSS histogram label
- From ren, no responses
Percentages
- From John Williams, 1 response
Trails Methodology
- From ED, no responses
How do a calculate margin of error or confidence level in audit results?
- From William Saunders, no responses
Tree Diagrams
- From Stephen Branney, no responses
confidence level/ sample size
- From Sarah Siegfried, 2 responses
what's the use of standard score?
- From carol, 1 response
Kappa statistics
- From Lynn, 1 response
What are the units on the standard error of the estimate
- From Kameron Corregan, 1 response
Approximately rectangular distribution
- From sayra, 1 response
Accracy of a survey
- From david, 1 response
AHP I can not do this practice question
- From Av, no responses
Standard Errors for Sampling
- From Caroline, 2 responses
HELP!!
- From Paula, 2 responses
Help Please Beginner
- From Ann, 1 response
Help!
- From Angie, 2 responses
random nums with given sd, mean
- From Thomas, 4 responses
Want to know if anyone can help.
- From CY, no responses
reporting chi-square
- From TP, 1 response
Margin of error for a questionaire
- From Lonis, no responses
What is a Z-test?
- From Harsey, 2 responses
kertotic & skewed curves
- From cristina, 1 response
boxplot&steam-and-leaf
- From darabi, no responses
boxplot&steam-and-leaf
- From golriz darabi, no responses
Standard Deviation
- From Robert, 2 responses
Sampling
- From Stacey, 1 response
Normal distribution on SPSS
- From stephanie, 2 responses
Which test is appropriate?
- From Christina, 1 response
mean and standard deviation
- From b king, 2 responses
Stat Software
- From Jon Nordstrom, 2 responses
2000 election
- From S.Q. Jing, 2 responses
gamma distribution
- From YY, no responses
wanted to know of some websites
- From Alex K Philip, no responses
weighted average
- From Gem, 1 response
Question: Population Regression
- From Chris Billings, 2 responses
sig
- From melissa ethington, 1 response
HELP
- From RWOOF, 1 response
Minimum Bias
- From Susan, 1 response
suppressor
- From Shuquan Jing, no responses
Definition Help ASAP Pleeezzzz
- From Stephanie, 1 response
Z-SCORES
- From Paul, 1 response
terminology question
- From Jana, no responses
math heeeeelpppp
- From bill, no responses
ANOVA design
- From SMB, 1 response
Need help please
- From Angela, no responses
bayes posterior distribution
- From caroline, no responses
Probability problems
- From Poulami, 2 responses
margin of error
- From alan m. seid, 4 responses
Statistical Confidence
- From Mark, 1 response
Confidence Intervals and Means
- From Willy, 1 response
Probability
- From Tim, 1 response
Possibly the dumbest question ever
- From Holly, 1 response
Trial Survey
- From Trevor, no responses
Skewness?
- From Rachael, 1 response
What is the difference between N and n, P and p
- From Mike Webber, 2 responses
Syntax Question
- From Holly, no responses
identifying a stats formula
- From Robert Dennys, 2 responses
Archaeology and statistics
- From Stella, 1 response
relative Standard Deviation
- From Valter, 1 response
Does it make a difference?
- From Carol, no responses
deflating a nominal series
- From gerry Cotterell, no responses
The Distribution of a Linear Combination
- From William H., 1 response
Help please
- From Sabrina, 1 response
SPC Charts vs. Rolling Average Charts
- From EC, 3 responses
dataset (urgent)
- From baz, no responses
Uniformity (Coefficient of Variability)
- From Ehud Shavit, no responses
Sample size question - Help!
- From Steven, no responses
Two Problems
- From Carol, 2 responses
Non Uniform Bias
- From Dan, 1 response
Voting Power
- From JG, no responses
Sample Determination
- From Highly confused!!!!, no responses
Dataset (urgent)
- From Baz, no responses
Sample Size Determination
- From Dana Thomas, 2 responses
Confused
- From Mandy, 5 responses
Whole Numbers - kg's
- From Bonita Johnson, 1 response
SPORTS STATISTICS
- From ANTHONY, 1 response
Analyses
- From libby, 1 response
The Electoral College
- From Robert Niles, 3 responses
Probability And Statistics
- From Lene Nava, 2 responses
Design Margin Analysis
- From Mike Kowalczyk, 1 response
Advantages of Neuman Keuls/ ANOVA
- From Tim DiFelice, 1 response
Question
- From Paula Down, 1 response
Don't have a clue!
- From Judy Davis, 3 responses
Please help..
- From Tom, 3 responses
Small Samples
- From Makonnen Howell, 1 response
statistics
- From val, 1 response
Question for Phil R.
- From Bill, 3 responses
Question
- From Joy Ndem, 3 responses
Help with homework
- From jgsmith, 2 responses
normal distribution question
- From andrea, 1 response
worldwide web
- From Jake Locke, 2 responses
Covariance defined
- From G Colassi, 2 responses
children drowning
- From Trevor Doherty, 1 response
Which analysis?
- From Holly, 1 response
Links that might be of interest
- From OG, no responses
How do you determine if there is a statistical difference between age-specific/age-adjusted rates?
- From kat, 1 response
response rates
- From Cindy, 1 response
What is a 2x2 chi-square analysis?
- From Maggie, 2 responses
How do I do this??
- From Peter, 1 response
Help!, probably very easy for you!
- From Joe, 1 response
What does logit mean?
- From Maggie, 1 response
t-test
- From steve, 1 response
Ryan's prodecure
- From Kim, Seong-Man, 3 responses
COnfussing qustion
- From Lissy, 1 response
Leadership data
- From Amanda Gillis, 1 response
help with stat homework!
- From nicholas, 1 response
Pairwise Chi-Square Tests
- From Seong-Man Kim, 3 responses
Business Stats
- From crystal, 2 responses
confidence level
- From steve, 1 response
what test should I use?
- From Lucas, 2 responses
setting up data analysis
- From sandra marx, 2 responses
parameter covariance
- From YYe, 1 response
Help!!!
- From Rebecca Trench, 1 response
Margin of error--again
- From Jim, 1 response
Stat Question
- From Donna Owens, 1 response
Margin of error
- From Jim, 6 responses
Deleting Data
- From John Dueman, 1 response
Jumpy CNN/Gallup tracking poll
- From Rick, 1 response
Lognormal stats from normal stats
- From Paul, 2 responses
Why isn't the mode reported?
- From Reg Aubry, 2 responses
Confidence intervals for ordinal data
- From Anne, 1 response
Multiple regression for ordinal variables?
- From Jinn-Yuh Guh, 2 responses
Mean,mode or median?
- From Tamer, 1 response
Surveys
- From Gill, 1 response
finding frequency by SD
- From Sara, 1 response
chi-square & t-test
- From Anne, 5 responses
Estimation
- From Maria, 1 response
item bias/conditional ANOVA
- From Rei, 1 response
when does this statistics stuff click
- From Marchell Coleman, 3 responses
Help
- From Lt. Dave Carlington, 3 responses
Item bias/Conditional ANOVA
- From Rei, 7 responses
10 statistical tests[behavioral science]
- From justin, 1 response
help
- From lb, 1 response
P Value and Confidence Interval
- From Ajay Sharma, 2 responses
which method is best
- From Maria, 1 response
sample
- From beqy, 1 response
pre-posttest parametric
- From margaret, 3 responses
Standard deviation?????
- From Candi, 2 responses
correlation
- From Clare, 3 responses
Relative Deviation
- From Liz, 1 response
correlation
- From ed, 2 responses
probability of a score
- From Bill, 8 responses
Typical Deviation
- From Jose Perez, 1 response
Help with which test to use
- From Dwayne, 3 responses
Spearman vs Pearson correlations
- From Karen Putnam, 4 responses
Chi-Square
- From T. Bennett, 2 responses
Which test do I use?!
- From Lee, 1 response
attribute sampling software
- From Craig Burton, 1 response
power tables
- From ali malham, 1 response
Samples
- From RWB, 1 response
sample of the sample
- From kevin, 2 responses
Can you perform a Kappa analysis with missing values
- From chris, 1 response
whaling - blue whales - IWC
- From jennifer, no responses
Reliability: Cronbach alpha and KR20
- From Su Luan, no responses
type of test
- From Thomas Lera, 1 response
Tolerance Stacking
- From Tommy, 1 response
Do I use the correct method to perform hypothesis testing?
- From Kathy, 1 response
Is there any problem arise when we test the same hypothesis more than once?
- From Kathy, 1 response
Familywise error
- From Kathy, 1 response
Familywise error
- From Eriko, 1 response
Regarding'Durbin Watson'
- From Huiying Wang, 1 response
Multiple comparison procedure
- From Kathy, 1 response
Is it suitable to use t-test?
- From Kathy, 1 response
How do you statistically compare age-adjusted rates?
- From KAthleen, no responses
F-test
- From Michael Chinn, 1 response
Is it suitable to use t-test?
- From Kathy, 1 response
How do I do a power analysis
- From Christopher, 1 response
Regression Equation
- From Sheena, 1 response
How many strangers need to be assembled to create a better than evens chance that two or more will share a birthday ?
- From Paul Field, 1 response
Statistics tables
- From Scott, no responses
stat question
- From Nancy, no responses
How to compare
- From Bahar, no responses
mean
- From spirit, 2 responses
Price Relatives
- From Bobby, no responses
need info
- From michelle lee, no responses
paired t-test vs. ANOVA
- From tom s, 2 responses
performing the exact test of Hardy-Weinberg proportion for multiple alleles
- From YanPing, no responses
Student's t-Test
- From Jane, 2 responses
Data Analysis
- From Pat, 2 responses
Stat help
- From Christine, 2 responses
Distribution
- From Shelly, 1 response
Statistical Significant Difference
- From Cookr, 1 response
Testing difference in distributional pattern
- From YYe, no responses
test results
- From linda rae brown, 1 response
linear correlation
- From sanja, 2 responses
probability of 2 distributions
- From rob, 1 response
Literature search databases:Statistics
- From John F. Miner, 1 response
ranking
- From rob, 1 response
parametric
- From sanja, 1 response
correlation
- From sanja, 1 response
probability vs Statistics
- From sanja, 1 response
What is longitudinal data?
- From Ivan, 2 responses
birthdays
- From mike, 3 responses
foreshadowed problem
- From J. Boling, no responses
HELP - Reliability and Validity
- From Kimberly, no responses
Reliability Testing - split halves method
- From Kimberly, 1 response
Hypothesis Testing
- From Natalka Junyk, 1 response
clinical trials
- From bob mensah, 1 response
Statistics
- From Kelly Lam, 1 response
sociology essay
- From kate battye, no responses
degrees of freedom
- From Miner,John, 2 responses
standard deviation
- From Carol, 1 response
SPSS
- From alphan, 4 responses
ancova
- From Mike, no responses
Random Sampling
- From Sudhakar, 1 response
Normalization Tables
- From Daniel Ita, no responses
Can U help?
- From Elaine, 1 response
2 sigma?
- From Bob, 1 response
compound annual growth rate
- From Joseph Hogue, 5 responses
order effect
- From helen, no responses
Multiple Regression
- From Gavin DevenMuieres, 4 responses
Missing data
- From Chad Allen, no responses
I'm stumped
- From Laurie Meisler, 2 responses
drug data analysis, thai style
- From Phil Verhoef, 2 responses
estimating
- From paul, 1 response
MARGIN OF ERROR
- From Jim, 2 responses
Robust measures of dispersion (multivariate)
- From Erica Moodie, 1 response
terminology
- From Erica Moodie, no responses
Re: Is the chi-square appropriate?
- From Annie, 1 response
Chi Square Interpretation & Writing
- From MK, 2 responses
e-commerce
- From Linds, 1 response
n vs. n-1
- From Rich, 2 responses
Maximization of R
- From Lakshman Nandagiri, 2 responses
tv-violence and children
- From joanna, 1 response
vocab
- From Rochelle Martinsson, no responses
uncertainty in the standard deviation
- From Peter Eekhout, 1 response
comparing means
- From Nathan Allen, 1 response
Dot Plots
- From Miranda, 1 response
LSM
- From Chris Chalmers, 1 response
factor analysis
- From Ricky, 1 response
t-test for comparison of parameters estimates between two logistics models.
- From Vicky, 1 response
Analyzing Rank Order Data
- From Jim V., 3 responses
Confidence Intervals
- From Eric, 1 response
Is it a normal distribution???
- From Faraaz Mir, 3 responses
Best fitting line
- From Helen, no responses
Sample Sizes and a Statistical Panel
- From Charles Miller, 1 response
g-test
- From Domhnall Jennings, 1 response
Method of predicting the effects of major storms
- From Wayne Skinner, no responses
standard error/ s. deviation
- From J.T., 1 response
Indexes
- From Dawn, no responses
The Right Method
- From Tex Noel, no responses
Receiver operator characteristic curves
- From Clair wilson, no responses
Margin of Error
- From Jim Turner, 1 response
Good, Simple Stats Software
- From Christine Davis, 5 responses
permutations and combinations
- From Danielle, 1 response
discreet random variable
- From alex, 1 response
Puzzle
- From Chaim, 1 response
Question about the mean
- From Tracy Wright, 2 responses
Survey Conversion
- From Jessica, no responses
mean and SD
- From Jimmy, 1 response
Determine Population Size
- From Ed Clark, 1 response
Regression Analysis
- From Xavier Olave, 1 response
Statistical significance
- From Jim Poindexter, 2 responses
Statisitcs Decision Making Process
- From RJ, 1 response
Pearson correlation
- From A. Kutlik, 1 response
conjoint analysis
- From Mike, no responses
Sample Size
- From stan, 1 response
Sample Size
- From stan, 1 response
Stay Home Dads
- From Heather Cockerham, 1 response
Quetelet index
- From Ana Maria Fioravante, no responses
Difference btw. point biserial and biserial correlation
- From Wong Su Luan, 3 responses
Tukey Algorithm
- From Rick Hux, 3 responses
Dependant vs. Indepedant Variable
- From Matt Wallace, 2 responses
calculating the standard deviation of samples measured repeatedly
- From Harleen, 1 response
Ranking based on delta from mean
- From Casey Kester, 1 response
six sigma
- From Art Tully, 3 responses
Beta-Binomial and Gamma-Poisson
- From Steven, 1 response
Why multiply the median by 3.14??
- From Marie, 2 responses
continuous random variable
- From chris, 1 response
Z-Scores
- From Tracy Gibbs, no responses
Which stat test do i need?
- From Dianne, no responses
Multiple Regression and Betas
- From Suzanne, 4 responses
SAMPLE SPACE
- From Jennifer, 2 responses
OK, here's one I can't wrap my mind around
- From Aron Pilhofer, no responses
Taylor's series
- From R. Raghavan, 2 responses
Ideas for Stats project
- From Summer, 1 response
pooled standard deviation
- From Anna, 2 responses
Weighted average
- From Michele Lodin, 3 responses
population and sample standard deviations
- From Steve Mardekian, 1 response
I NEED A STTISTICS PROJECT
- From SUMMER REDDICKS, 3 responses
conditional probabilities and temporal relationships
- From Dosia Paclawskyj, no responses
Coefficient estimates of GLM
- From Y Ye, no responses
Voting statistics
- From zac arcaro, 1 response
How do you calculate statistics i need to know for a school project?
- From stacey, 2 responses
help
- From elaine, no responses
GLM/Non parametric test
- From Kim, 1 response
confidence interval for median estimate?
- From Thomas Raffill, 1 response
How to find the median
- From KIM, 1 response
LOOKING FOR HELP
- From kim, no responses
sample vs. population
- From Erik, no responses
ANOVA, MANOVA, t-tests
- From Choi , 2 responses
Repeated measures power
- From Duncan Kerr, 1 response
Stand. Dev. in Analysis of Changes in Crime Stats
- From , no responses
Important ? about type of data set
- From Darci, 1 response
CENSUS, NOT A SAMPLE
- From Jim, 1 response
Normal distribution of data
- From Lena, 1 response
r2
- From Jerry, 1 response
Methodology
- From BOB BURKE, 1 response
what do you think......
- From mike, no responses
How those formula comes out ?
- From Jane CHAN, no responses
Please explain Friedman, Wilcoxon, Cronbach's alpha, McNemar tests
- From Barry levy, 2 responses
cross-validation on a validity coefficient
- From Ramie Vetter, no responses
goalie stats
- From luke severson, no responses
Regression Troubleshoop
- From Tonia, 1 response
Data analysis, related measures
- From R. Dale Olson, 1 response
Why variance so important?
- From Willie, no responses
odd ratio models
- From Garrett Sonnier, no responses
Sampling Error
- From Richard Regnier, 1 response
standard error
- From M Lacy, 1 response
Random Sample - How to select?
- From C Conny, 1 response
Exploratory Factor analysis
- From Wong Su Luan, 1 response
log regression -- variable selection
- From M. Gallo, no responses
Experimental Design
- From meast, 1 response
Tolerance Interval
- From Bill Chamberlin, 2 responses
logistic regression question
- From Tina Hong, 1 response
Instability index
- From Debra, no responses
Conjugate prior
- From Steven, no responses
Selecting a sample from a small population
- From Kelly, 1 response
Average
- From Sabir sheikh, no responses
landmark birthdays in 2000
- From Lori Ott, 1 response
Hayes concept
- From R. McWhirter, 1 response
Chaos and SPC
- From Joseph Gabriel Mattucci, 1 response
Margin of Error/Confidence Level
- From Pete, 1 response
Decile to Rank?
- From Leo, 1 response
median survival
- From P Keane, 1 response
Simpsons Paradox
- From Ross, 3 responses
Sample size to represent a seedlot
- From Jack Betten, 1 response
comparing expected vs. actual
- From mike whitehead, 1 response
expected mean vs calculated mean squares
- From H. Cole, 1 response
Fixed-Effects vs Random Effects Varible
- From H. Cole, 6 responses
Factor Loading
- From A, 1 response
ANOVA or CORRELATION?
- From A, 2 responses
SWANSON'S MEAN
- From Dr S. du Toit, 1 response
SWANSON'S MEAN
- From Dr S. du Toit, 1 response
Standard Error of Estimate/Conf Interval
- From Joe, 1 response
Reporting t-test results
- From Annette Hawkins, 1 response
Independent Vs. dependent
- From linda, 2 responses
Dolphin recovery
- From Denise, 1 response
error margin
- From mitchy, 1 response
word processing program
- From Eiko, 2 responses
Experimental Design
- From Edwin, 1 response
lottery probability
- From Doris, 1 response
Lognormal Distribution
- From Paul, 1 response
Normal Distribution
- From Paul, 2 responses
religion and college students
- From Kyla Kenney, 1 response
confidence limits/precision
- From Chris Simien, 1 response
r scores and n scores
- From alicia, 1 response
Variance and Standard Deviation
- From Jorge , 2 responses
Multivariate Statistical Analysis
- From Danny, 1 response
Example of bad statistics
- From Beth, 1 response
Opposite of "entropy"
- From David Arkles, 1 response
hypothesis versus problem statement
- From kandyce, 2 responses
History of standard deviation
- From Sophia, 2 responses
Which stat to use?
- From Terry, 2 responses
causation vs perfect correlation
- From Han, 1 response
signifigance of kappa statisitic
- From Nancy Archibald, 2 responses
sample of bivariate data
- From Han, 2 responses
Regressions for growth rates
- From Russell D. Pritchard, 1 response
weighted average
- From peter robbins, 2 responses
determining if groups are similar to what's expected
- From sam, 2 responses
standard error/standard deviation
- From des desouza, 1 response
selecting a sample
- From ld, 2 responses
cluster sampling
- From henry c.navarro, 1 response
p<0.05?????
- From Nancy Pelligrino, 2 responses
How to determine statistical significance?....
- From mike, 2 responses
time lines
- From Jeff, 1 response
null hypothesis
- From Lor, 2 responses
Small Sample Formula
- From Lona, 2 responses
Adequate sample size
- From Michael Schell, 2 responses
Exit Polls
- From Samantha, 1 response
Margin of Error
- From Lisha, 2 responses
Find average
- From Melanie, 2 responses
Sampling an exponantially distributed population - how many samples?
- From D Skeen, 1 response
Interpreting Logistic Regression
- From Xavier Olave, 2 responses
3 way Anove
- From faye Jones, 2 responses
formula
- From kathy , 1 response
Is time a ratio level or ordinal level ?
- From Kath keth, 1 response
Please help with obscure stat question!
- From Michelle Smodson, 3 responses
Sample sizes and stats test
- From lawrence, 3 responses
Need help!
- From Don, 1 response
Rounding
- From Jen, 3 responses
compound annual growth
- From darshana, 3 responses
uniform contiuous probability
- From Tanya G., 2 responses
How many subjects required?
- From Janice lloyd, 1 response
Statistical terms and symbols
- From Dave Wentz, 4 responses
one sided t test
- From Amy, 3 responses
finding the n
- From MaryLee, 2 responses
Need name for paradox
- From Amy, 3 responses
degrees of freedom:no numbers allowed
- From Carol Fredrikson, 1 response
Percentiles
- From Gerry Reilly, 4 responses
Survival analysis
- From Jim Atienza, 3 responses
Mean Scores
- From CJG, 3 responses
need to explain degrees of freedom to an 8 year old
- From Carol, 2 responses
Stat Question
- From Apurva, 2 responses
fisher exact test
- From john miner, 3 responses
finding value of beta
- From Tom, 2 responses
Calculating Path Coefficients
- From Mike Beers, 4 responses
t-tests
- From susan, 2 responses
school
- From DAnielle TRauthwein, 2 responses
Old Stats Board Q/A
- From Mike McNeal, 1 response
correlations & TI-85
- From Helen, 2 responses
data concerning wax?!?
- From vincent brinkman, 1 response
General Linear Model
- From YYe, 1 response
Feasibility study calculation?
- From Nancy Quarles, 1 response
MANCOVA
- From Holly, 2 responses
How do I classify cars into income brackets?
- From Erwin Yamsuan, 2 responses
Power Analysis
- From Holly, 1 response
Structural Equation Modelling
- From Elizabeth, 1 response
Probability
- From Claire Harris, 2 responses
Are my findings random?
- From Max Dalrymple, 1 response
Statistical Analysis of Texts
- From Nick Redfern, 1 response
How to calculate percentiles
- From Chris Hoogendijk, 1 response
ranking subjective data for non-parametric analysis
- From brad, 1 response
Samples....and confidence levels
- From Andrea, 1 response
fisher's exact test for multiple alleles like short tandem repeats
- From hadi, 2 responses
Computing Upper and Lower Control Limits
- From Arlene, 1 response
Statistics of Ratios
- From Kevin, 1 response
transformations
- From P. Mudar, no responses
Sampling Framework!!!!!
- From Andrea, 1 response
stats per 1000 patient days
- From Denise Regan, 2 responses
Median
- From Ally, 4 responses
kappa
- From Geraldo Cassio D. Reis, 1 response
Where?
- From Gary, 1 response
mathematics vs experience
- From K. Long, 1 response
Normal distribution
- From mitchy, 1 response
Normal Distribution
- From mitch, 1 response
Sampling Sizes.
- From Vimal, 1 response
structural equation modeling
- From Holly, 2 responses
Degrees of Freedom
- From Shana Ruhnke, 3 responses
Normal Distribtion
- From Amy Pennington, 6 responses
Within SS
- From Amber, 2 responses
stats on e-quakes
- From Andrew Marshall, 1 response
Four questions
- From Guy Donahue, 2 responses
Monte Carlo simulation
- From Phil McMorrow, 2 responses
basal and ceiling scores
- From , 1 response
sensitivity analysis
- From Bryan Facca , 1 response
Polling, Margin of Error
- From Jeff Mrenak, 1 response
Hierarchical multiple regression
- From Robert, 4 responses
Stats for computer science
- From Melonie, 1 response
How to type mean x bar in word 97
- From SPACE, 7 responses
Statistical Display methods
- From Kelvin Elvidge, 1 response
Interval and Range
- From Scott Isaak, no responses
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