HYPOTHESIS TESTING 程序包 符号

EqualVariances


is an option to statistical confidence interval and hypothesis test functions of two samples that specifies that unknown population variances are equal.

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  • To use , you first need to load the Hypothesis Testing Package using Needs["HypothesisTesting`"].
  • is an option for confidence interval and hypothesis test functions of two lists.
  • With the default setting EqualVariances->False, variances are estimated from the two samples independently if the variances are not specified as known.
  • With EqualVariances->True, a common pooled estimate of the variance is used for both populations if the variances are not specified as known.
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