Author Question: An independent-measures study produces sample means of M1 = 35 and M2 = 31 and a pooled variance of ... (Read 117 times)

123654777 · **on:** Jun 20, 2018

An independent-measures study produces sample means of M1 = 35 and M2 = 31 and a pooled variance of 25.For this study, Cohen's d = ____.

A) d = 4/25
B) d = 25/4
C) d = 4/5
D) d = 5/4

Question 2

What term is used to describe the shape of a distribution in which the scores pile up on the left-hand side of the graph and taper off to the right?

A) symmetrical
B) positively skewed
C) negatively skewed
D) normal