EqualVariances

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

MORE INFORMATION

To use , you first need to load the Hypothesis Testing Package using .

is an option for confidence interval and hypothesis test functions of two lists.

With the default setting False, variances are estimated from the two samples independently if the variances are not specified as known.

With True, a common pooled estimate of the variance is used for both populations if the variances are not specified as known.

EXAMPLES

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Basic Examples (1)

A test assuming equal variances:

Needs["HypothesisTesting`"]

A test assuming equal variances:

In[2]:=

Out[2]=