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Home > Statistics Every Writer Should Know > Stats Board > Previous Topics
- From clark, 1 response
'A Beautiful Mind': Movie Reviews?
z-factor
Non normal distributions
To JG:
Are dogs smarter than Cats?
simple probability question
Weighted Gross Profit Margin
Norms
Normal Distribution
Analyzing Survey Data
UCL and LCL !!
media
DIF analysis
Matched Controls
current employer
related variables?
weighted mean
senior citizens involved in automobile accidents
probability distribution...help!
R-square in Multiple Regression
finding a standard deviation
confusing coefficient signs
Normal Standard Deviation
Data Transformation
Calculation of Statistical Significance
Comparison Groups
odds of occurence with three correlated events
Sophia in novel Tom Jones
DOE for ergonomics
statistics
psychology study
Standard Deviation
What is the mathemetical formula of the Excel Beta distribution?
misuse of statistics
Sharpe Ratio and Standard Deviation
Date Co-incidence
if i flip a coin three times, what are the chances of getting heads one of the times
Stats
non -parametric statistics
sample size and normal distribution
Writing a statistic problem in education
prediction test
meaning of "fully anchored"
Regression Analysis
what is the difference between parameter and statistic
Standard T-test
cronbach alpha
Stats Text
Confidence interval vs. standard deviation
which statistical test should be done? and why?
PART/PARTIAL CORRELATION
percentiles
significance of data
Confidence level
Coding for discriminant analysis
Proper coding for Disriminant Analysis
unrelated t-test
Finding a sample size
Confidence Intervals
Need help with percentiles
Dispersion effect
Std. error vs. Std. deviation
Violation of Normality
Margin of error in a small survey?
ANOVA overlapping confidence intervals
Tchebycheff's Inequality
Birthday probability question
cronbach's alpha
INFORMATION TECHNOLOGY
kappa coefficient calculations
Human Error
gamma error / delta error??
What is the relation between modelling and statistics?
Binomial distributution
Binominal procedural help needed
Alpha error or beta?
confidence values
Two standard deviations
Urgent! PLEASE HELP TO SOLVE THESE QUERIES!
Please Help With This Question Thank you
Statistical Confidence Level-Help Please
Land Surveyor needs help
Legal Stats
Mean
More Help
Risk of repeated exposure to an event
Combinations
confidence interval and standard error
n/k ratio
Help please!
Don't laugh too hard but..."t" in t-test?
Standard Deviation
Probability
Distribution
Dishonest coin
interquartile range
Differences between the REMSEA index and the chi2-statistic?
H0, H1, critical and test value.
confidence interval
I'm sure this is simple but I don't know...
How Statistics Lie
urgent help needed!
Legal Stats, P-Values
Will pay reasonable fee to have survey data analyzed
Help for disseration - analysis of nominal data
regression
Hypothesis test
Testing the differences between 2 means
recoding data for regression
Rank 5 Sportscars
Meaningful varience from Cisco RTR agent (data networks)?
Ljung-Box Q-statistic
tying together studies for a systematic review
T-test, F-test research for companies
logistic regression
Interaction Term Interpretation
HELP ME!!!COURSE WORK
calculating averages w/non significant data
Help!!!!!!! Maths Coursework
Math
spearmans rank, really urgent!!!
Help me
ANOVA--HELP!
GLM and proportions
2 emergency probablity questions
I need help finding statistics for my persuasive paper.
URGENTLY need help - chi square vs t-test
standard deviation
% RSD
How to test it?
Lumber Company-- Very Urgent Please Help!!!!
Paired t test- in obese and non obese females
Cochran's Q
using Chi-Square for two samples
reliability test
dentistry
Pearson's r rule
Split plot analysis
P/T ratio equivalent for one sided spec??
More Two-Samples!
What is disadvanetage of Masterbedding?
Two Sample Stuff--Help!
3 questions I am stuck on?
How to assess?
Segmentation analysis
coefficient of variation
Gage R&R: Gage Sigma > Total Sigma.......??
Calculating Percentiles
Line up 5 people different ways??
Probability--URGENT!!!!!!!
probability distribution
Spearmans Ranking, V. Urgent!!
Bimodal distribution
How to calculate this problem
About Chi square analysis and P value
Contrast coefficients
normal distribution and correction
cash paid for statistics help--no joke
Hierarchical clustering
t
Critical values?
Finite-population correction factor
More Hypothesis Testing!
coefficient of determination
Analysis
Hypothesis Testing (easy for you, hard for me!)
pattern
Probability again.
roofing-how to figure square feet
point biserial & sample size
probability
Internal Communication Statistics
Type I and Type II errors
Time period assessment
What does FGD mean?
Venn diagram logic question..HELP!
1 way or 2 way anova?
skewed data curve
Repeatability
95% level of significance
Multiple Regression/p-values
ordinal data - can you provide mean and sd?
Probability in a sales call
What is a recurring field?
t-test vs paired t-test
Desribing Data
What statistics to use
Poisson Random Variables
geometric mean
What test/s do I use?
A test tomorrow om statistical inference!
homework help SOS!!!
Control Groups - How big?
significance
Regression v. CHAID
homework help!
Help with research
pooled standard error
risk adjustment
probability distributions
Polls in Election 2000
standard scores
Linear Contrast
4 independent variables and nominal data
Mean when value = 0
Analysis of variance
log transformations of variables
Violation of ANCOVA equal slopes assumption- now what?
Std. Dev. of Geo. Mean?
Gage R&R
Precontrol process control techniques
paired t-test
Why square to get the standard deviation?
Spearmans formula
logistic regression
standard deviation and mean
Examples of bad use of stats in the news?
Hypotheses Test
Distribution of Variation
Validation experiment
50 to 1 odds
Role of statistics in the world of Informaion Technology
Coefficient of Variation
standard deviation
Lost in probability
RMSEA
5 Basic Elements of Statistics
average vs. "per week" average
averaging a set of numbers
percent and weighted results
Stuck for a formula
gage R & R
growth rate formula
Explain 1 in 10,000
Fibonacci numbers & golden section 1.618..
bivariate versus multivariate
Statistical Tools
Water Sampling
desperate for help
dreadscott decision
RMS vs standard deviation versus standard error
math question
Conditional Probability Question
Standard Error
Statistical test for a hypothesis
what sample size?
Chronbach's Alpha
discontinuous data in excel
group permutation methods
Questions In Evaluating Medical Article
Which tests? Parametric or Nonparametric
statistics
statistical confidence that there is one materil identified more often
Variance formula
stasisics
Regression and optimising advertising mail
bar charts
factoring
Chi-square test
How do you compute the Beta in Excel 2000?
Risk Management
split plot model problem
How to convert daily return into an annalized return of a stock price?
more on logistic regression
level of significance
How do I develop a valid "index"
intraclass correlations
Developing a Percentile Ranking
correlation coefficient
Difference in Proportion
Correlation coefficient
Normal Distribution
Disjunction and continuous pdfs
Degrees of Freedom & two-way chi-sguare test
ssubtract score from mean
news letters
Pearson's correlation coefficient
correlation coefficients
Help with multiple choice question
Multiple Choice STATS
Two-way Test and Degree of freedom
Data Collection
Correlation
Correlation
Correlation
Alpha level, chi-square test, and null hypotheseis
Crombach's Alpha
difference between normal distribution and standard normal distribution
help reqd in determining sample size
Manova
intraclass correlations
CSP Calculations
Probability
Test Hypothesis
Margin of Error
PROBABILITY
Z scores and proportion
Test Hypothesis
Standard Deviation
Probability
Normal Distribution
Pro's and con's of using precontrol charts
Be wary of stats.org
% area under normal curve vs sigma
Normal distribution
Probability
gain standard deviation
Mean / Standard Deviation
is ROC correct?
relative Percent Difference
Construct validity
Simulated mate finding by random encounter
Q: bookstore shopping stats
cardiac surgery
Nonparametric ANOVA on Excel
Forecasting
Chi-Square and Multiple Response?
Which tests?
Why use RPD?
Level of Measurement
Mean / Standard Deviation
Level of Measurement
JG, please help me !!
Forecasting
Bail me out
table of random numbers
adjusting frequency counts in a chi-square
one vs two tailed tests
Can you help me ?
standard deviation
Probability
what is textual method all about???
Question
Question
Multiple regressions aargh
ANOVA or T TEST
stats riddle
Moderating Variable ?!
logistic regression ad nauseum
odds ratio in logistic regression
Critical value
statistically independent
Non-normal Distribution
Coefficient of Variation
help with this problem please
JG are my answers right
How do I hand calculate MANOVA?
Question
How to count the weighted average for my case ??
Taguchi Design of Experiments
Weighted Average???
Chi-square or t-test?
statistics
t distribution and standard normal distribution
T-test of hypothesis
Business Statisics
I forgot to ask about part "C"
Is my answer right?
Check Answers and Help with the last one please
Null & Alternative Hypotheses
stats
Books on Statistical Thinking?
Random Variable
Binomial Tables
Probability
Stat
Please Check my answers
Solve
Probability
Probabilities
Random Variables
Hockey
Basic Statistics
Difference betn correlation and regression analysis
survival annalysis
normal distribution
Reporting Point-Biserial Correlation
Distribution Deviation & Distribution Skewness
Mill/property tax
Probability difficultities
What is a Rasch analysis?
How many samples
Non-parametric test for interaction
Dunn-Bonferroni Contrasting Procedure
weighted kappa
Need a Research contract
Sigmoidal Curves
Strategy & Venture philosophy
significance of non-linear regression parameters
Need help in Research Methods
Probability (again!).....
standard deviation
intraclass correlation coeficient
i think my prof's wrong, so who's right???
independentand dependent variables and t-tests
wat should i put in my stats cours work???
help i need to know anything!
compairison
Center of Population
Is it multiple regression?
Error Type
Psychology Statistics
Help with point biserial correlation!
Standard Deviation Hypo
Power transformation
Proportions z & t tests
non parametric tests
Automated calculation for margin of error
Kappa statistic classification
BEG U..help me work out proper test to use, please!!!!
Averages of Ratio
Null Hypothesis
Combination
comparing more than two regression equations
math question
Runs Test Ideas?
Utility Estimates
confidence limits of a mean
Help pls for this question....
stats, Please, can some help me?
survey compairison
Johnson non-normality transformation
Tobit regression analysis
Advantages/disadv. of mean and median
what is standard deviation ,frequency,mean ,median ,variance ?What are their formulae?What is the difference between them?
What is the mode?
iq question
t-test
statistic
Sample Size Errors
Permutations and Combinations
reliability
Why N-1?
Coding Answers to questions
nonparametric stats
Thinking about some site changes...
Collaborative Filtering
statistical study
Square miles
association
Some statistics humor for a change
Probability questions
SPSS histogram label
Percentages
Trails Methodology
How do a calculate margin of error or confidence level in audit results?
Tree Diagrams
confidence level/ sample size
what's the use of standard score?
Kappa statistics
What are the units on the standard error of the estimate
Approximately rectangular distribution
Accracy of a survey
AHP I can not do this practice question
Standard Errors for Sampling
HELP!!
Help Please Beginner
Help!
random nums with given sd, mean
Want to know if anyone can help.
reporting chi-square
Margin of error for a questionaire
What is a Z-test?
kertotic & skewed curves
boxplot&steam-and-leaf
boxplot&steam-and-leaf
Standard Deviation
Sampling
Normal distribution on SPSS
Which test is appropriate?
mean and standard deviation
Stat Software
2000 election
gamma distribution
wanted to know of some websites
weighted average
Question: Population Regression
sig
HELP
Minimum Bias
suppressor
Definition Help ASAP Pleeezzzz
Z-SCORES
terminology question
math heeeeelpppp
ANOVA design
Need help please
bayes posterior distribution
Probability problems
margin of error
Statistical Confidence
Confidence Intervals and Means
Probability
Possibly the dumbest question ever
Trial Survey
Skewness?
What is the difference between N and n, P and p
Syntax Question
identifying a stats formula
Archaeology and statistics
relative Standard Deviation
Does it make a difference?
deflating a nominal series
The Distribution of a Linear Combination
Help please
SPC Charts vs. Rolling Average Charts
dataset (urgent)
Uniformity (Coefficient of Variability)
Sample size question - Help!
Two Problems
Non Uniform Bias
Voting Power
Sample Determination
Dataset (urgent)
Sample Size Determination
Confused
Whole Numbers - kg's
SPORTS STATISTICS
Analyses
The Electoral College
Probability And Statistics
Design Margin Analysis
Advantages of Neuman Keuls/ ANOVA
Question
Don't have a clue!
Please help..
Small Samples
statistics
Question for Phil R.
Question
Help with homework
normal distribution question
worldwide web
Covariance defined
children drowning
Which analysis?
Links that might be of interest
How do you determine if there is a statistical difference between age-specific/age-adjusted rates?
response rates
What is a 2x2 chi-square analysis?
How do I do this??
Help!, probably very easy for you!
What does logit mean?
t-test
Ryan's prodecure
COnfussing qustion
Leadership data
help with stat homework!
Pairwise Chi-Square Tests
Business Stats
confidence level
what test should I use?
setting up data analysis
parameter covariance
Help!!!
Margin of error--again
Stat Question
Margin of error
Deleting Data
Jumpy CNN/Gallup tracking poll
Lognormal stats from normal stats
Why isn't the mode reported?
Confidence intervals for ordinal data
Multiple regression for ordinal variables?
Mean,mode or median?
Surveys
finding frequency by SD
chi-square & t-test
Estimation
item bias/conditional ANOVA
when does this statistics stuff click
Help
Item bias/Conditional ANOVA
10 statistical tests[behavioral science]
help
P Value and Confidence Interval
which method is best
sample
pre-posttest parametric
Standard deviation?????
correlation
Relative Deviation
correlation
probability of a score
Typical Deviation
Help with which test to use
Spearman vs Pearson correlations
Chi-Square
Which test do I use?!
attribute sampling software
power tables
Samples
sample of the sample
Can you perform a Kappa analysis with missing values
whaling - blue whales - IWC
Reliability: Cronbach alpha and KR20
type of test
Tolerance Stacking
Do I use the correct method to perform hypothesis testing?
Is there any problem arise when we test the same hypothesis more than once?
Familywise error
Familywise error
Regarding'Durbin Watson'
Multiple comparison procedure
Is it suitable to use t-test?
How do you statistically compare age-adjusted rates?
F-test
Is it suitable to use t-test?
How do I do a power analysis
Regression Equation
How many strangers need to be assembled to create a better than evens chance that two or more will share a birthday ?
Statistics tables
stat question
How to compare
mean
Price Relatives
need info
paired t-test vs. ANOVA
performing the exact test of Hardy-Weinberg proportion for multiple alleles
Student's t-Test
Data Analysis
Stat help
Distribution
Statistical Significant Difference
Testing difference in distributional pattern
test results
linear correlation
probability of 2 distributions
Literature search databases:Statistics
ranking
parametric
correlation
probability vs Statistics
What is longitudinal data?
birthdays
foreshadowed problem
HELP - Reliability and Validity
Reliability Testing - split halves method
Hypothesis Testing
clinical trials
Statistics
sociology essay
degrees of freedom
standard deviation
SPSS
ancova
Random Sampling
Normalization Tables
Can U help?
2 sigma?
compound annual growth rate
order effect
Multiple Regression
Missing data
I'm stumped
drug data analysis, thai style
estimating
MARGIN OF ERROR
Robust measures of dispersion (multivariate)
terminology
Re: Is the chi-square appropriate?
Chi Square Interpretation & Writing
e-commerce
n vs. n-1
Maximization of R
tv-violence and children
vocab
uncertainty in the standard deviation
comparing means
Dot Plots
LSM
factor analysis
t-test for comparison of parameters estimates between two logistics models.
Analyzing Rank Order Data
Confidence Intervals
Is it a normal distribution???
Best fitting line
Sample Sizes and a Statistical Panel
g-test
Method of predicting the effects of major storms
standard error/ s. deviation
Indexes
The Right Method
Receiver operator characteristic curves
Margin of Error
Good, Simple Stats Software
permutations and combinations
discreet random variable
Puzzle
Question about the mean
Survey Conversion
mean and SD
Determine Population Size
Regression Analysis
Statistical significance
Statisitcs Decision Making Process
Pearson correlation
conjoint analysis
Sample Size
Sample Size
Stay Home Dads
Quetelet index
Difference btw. point biserial and biserial correlation
Tukey Algorithm
Dependant vs. Indepedant Variable
calculating the standard deviation of samples measured repeatedly
Ranking based on delta from mean
six sigma
Beta-Binomial and Gamma-Poisson
Why multiply the median by 3.14??
continuous random variable
Z-Scores
Which stat test do i need?
Multiple Regression and Betas
SAMPLE SPACE
OK, here's one I can't wrap my mind around
Taylor's series
Ideas for Stats project
pooled standard deviation
Weighted average
population and sample standard deviations
I NEED A STTISTICS PROJECT
conditional probabilities and temporal relationships
Coefficient estimates of GLM
Voting statistics
How do you calculate statistics i need to know for a school project?
help
GLM/Non parametric test
confidence interval for median estimate?
How to find the median
LOOKING FOR HELP
sample vs. population
ANOVA, MANOVA, t-tests
Repeated measures power
Stand. Dev. in Analysis of Changes in Crime Stats
Important ? about type of data set
CENSUS, NOT A SAMPLE
Normal distribution of data
r2
Methodology
what do you think......
How those formula comes out ?
Please explain Friedman, Wilcoxon, Cronbach's alpha, McNemar tests
cross-validation on a validity coefficient
goalie stats
Regression Troubleshoop
Data analysis, related measures
Why variance so important?
odd ratio models
Sampling Error
standard error
Random Sample - How to select?
Exploratory Factor analysis
log regression -- variable selection
Experimental Design
Tolerance Interval
logistic regression question
Instability index
Conjugate prior
Selecting a sample from a small population
Average
landmark birthdays in 2000
Hayes concept
Chaos and SPC
Margin of Error/Confidence Level
Decile to Rank?
median survival
Simpsons Paradox
Sample size to represent a seedlot
comparing expected vs. actual
expected mean vs calculated mean squares
Fixed-Effects vs Random Effects Varible
Factor Loading
ANOVA or CORRELATION?
SWANSON'S MEAN
SWANSON'S MEAN
Standard Error of Estimate/Conf Interval
Reporting t-test results
Independent Vs. dependent
Dolphin recovery
error margin
word processing program
Experimental Design
lottery probability
Lognormal Distribution
Normal Distribution
religion and college students
confidence limits/precision
r scores and n scores
Variance and Standard Deviation
Multivariate Statistical Analysis
Example of bad statistics
Opposite of "entropy"
hypothesis versus problem statement
History of standard deviation
Which stat to use?
causation vs perfect correlation
signifigance of kappa statisitic
sample of bivariate data
Regressions for growth rates
weighted average
determining if groups are similar to what's expected
standard error/standard deviation
selecting a sample
cluster sampling
p<0.05?????
How to determine statistical significance?....
time lines
null hypothesis
Small Sample Formula
Adequate sample size
Exit Polls
Margin of Error
Find average
Sampling an exponantially distributed population - how many samples?
Interpreting Logistic Regression
3 way Anove
formula
Is time a ratio level or ordinal level ?
Please help with obscure stat question!
Sample sizes and stats test
Need help!
Rounding
compound annual growth
uniform contiuous probability
How many subjects required?
Statistical terms and symbols
one sided t test
finding the n
Need name for paradox
degrees of freedom:no numbers allowed
Percentiles
Survival analysis
Mean Scores
need to explain degrees of freedom to an 8 year old
Stat Question
fisher exact test
finding value of beta
Calculating Path Coefficients
t-tests
school
Old Stats Board Q/A
correlations & TI-85
data concerning wax?!?
General Linear Model
Feasibility study calculation?
MANCOVA
How do I classify cars into income brackets?
Power Analysis
Structural Equation Modelling
Probability
Are my findings random?
Statistical Analysis of Texts
How to calculate percentiles
ranking subjective data for non-parametric analysis
Samples....and confidence levels
fisher's exact test for multiple alleles like short tandem repeats
Computing Upper and Lower Control Limits
Statistics of Ratios
transformations
Sampling Framework!!!!!
stats per 1000 patient days
Median
kappa
Where?
mathematics vs experience
Normal distribution
Normal Distribution
Sampling Sizes.
structural equation modeling
Degrees of Freedom
Normal Distribtion
Within SS
stats on e-quakes
Four questions
Monte Carlo simulation
basal and ceiling scores
sensitivity analysis
Polling, Margin of Error
Hierarchical multiple regression
Stats for computer science
How to type mean x bar in word 97
Statistical Display methods
Interval and Range
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