RobertNiles.com
About Robert
Reporting Help
Finding Data on the Internet
Questions for Candidates
Stats Lessons
Mean
Median
Percent
Per capita
Standard Deviation
Margin of Error
Data Analysis
Sample Sizes
Stats Tests
Help Board
Bookstore


Statistics for the Utterly Confused

This book offers a super-accessible approach to the much-misunderstood subject of statistics.
More information
-->

Home > Statistics Every Writer Should Know > The Stats Board > Discusssion

Normal Distribution
Message posted by Timmy (via 152.163.197.214) on July 7, 2001 at 2:15 PM (ET)

Given a normal distribution of cups of coffee consumed per week, in whick the mean is 6.5 and the standard deviation is 3.1, determine:
a. the % of respondents who drink six or more cups per week and, the probability of
b. locating a repondent who drinks more than a dozen cups a week?
c. locating a repondent who drinks less than eight cups per week?
d. locating tow repondents who drink between tow and five cups per week?
e. locating a repondent who drinks one cup or less or fifteen or more cups per week?


READERS RESPOND:
(In chronological order. Most recent at the bottom.)

Re: Normal Distribution
Message posted by JG (via 128.8.22.75) on July 7, 2001 at 7:32 PM (ET)

.564,.962,.684,.242,.959



Your $5 contribution helps cover part the $500 annual cost of keeping this site online.

Niles Online Sites:RobertNiles.comTheme Park InsiderViolinist.com

RobertNiles.com™, the site, content and services 咀opyright 1996-2002, Robert Niles.
All rights reserved. Questions? Comments? Read my Privacy Policy, or E-mail me!