Author Question: True or False: The sample size in each independent sample must be the same if we are to test for ... (Read 117 times)

casperchen82 · **on:** Jun 24, 2018

True or False: The sample size in each independent sample must be the same if we are to test for differences between the means of two independent populations.

Indicate whether the statement is true or false

Question 2

Given the following information, calculate sp2, the pooled sample variance that should be used in the pooled-variance t test.
s12 = 4 s22 = 6
n1 = 16 n2 = 25

A) sp2 = 6.00 B) sp2 = 4.00 C) sp2 = 5.00 D) sp2 = 5.23