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Sample Size Calculator view detail comment email this

Want to take a survey but not sure how many responses to collect? This calculator gives you the number for any given population size and desired confidence level. A reverse calculator lets you enter characteristics of an existing survey and gives the confidence interval (plus-or-minus number) to apply to the results. This site, sponsored by a survey software company, also gives clear explanations of statistical significance, survey design, and related concepts.
http://www.surveysystem.com/sscalc.htm
Topics: Statistics
Last updated Feb 23, 2004


Statistics Glossary view detail comment email this

The Statistics Glossary includes the following categories of statistical terms: Basic Definitions , Presenting Data , Sampling , Probability , Confidence Intervals , Hypothesis Testing , Paired Data, Correlation and Regression , Design of Experiments and ANOVA , Categorical Data , Non-parametric Methods , and Time Series Data . Each category presents a clear, brief explanation of the terms within; most include examples utilizing the terms; and many refer to relevant terms for further understanding. For quick reference, a simple, browsable Alphabetical Index of All Entries is available.
http://www.cas.lancs.ac.uk/glossary_v1.1/main.html
Topics: Dictionaries, Statistics
Last updated Oct 31, 2000


willyancey.com view detail comment email this

This focus of this directory is on tax, sampling and statistics, electronic commerce, general business, law and litigation, and other accounting and financial topics. Also includes links to resources for finding people, places, and companies. From a certified public accountant (CPA) who "consults on audit sampling and litigation support."
http://www.willyancey.com/
Topics: Statistics, Tax Filing Season
Last updated Apr 2, 2009




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