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AppletWhy Divide by N - 1?
SourceMcClelland/ Howell
DescriptionDraws either 1, 10 or 100 samples of size 3 and then 15 from population with known mean and standard deviation, calculates standard deviation by dividing by both n and n - 1 to illustrate that n - 1 provides more accurate estimates.
Linkhttp://www.uvm.edu/~dhowell/fundamentals/SeeingStatisticsAppletsCD/N-1.html
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KeywordsDescriptive statistics, Standard deviation, Variance
Visit Count   155329

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