calculate the degrees of freedom that should be used in the pooled-variance t test.

calculate the degrees of freedom that should be used in the pooled-variance t test.

  1. Given
    the following information, calculate the degrees of freedom that should be
    used in the pooled-variance t test.

s12 = 4
s22 = 6
n1
= 16 n2 = 25


df =
41


df =
39


df =
16


df =
25


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