Question: The formula for the pooled variance, s2 p, is given on page 469. Show that, if the sample sizes, n1 and n2, are equal, then

The formula for the pooled variance, s2 p, is given on page 469.

Show that, if the sample sizes, n1 and n2, are equal, then s2 p is the mean of s2 1 and s2 2 .

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