Author Question: For an independent-measures research study, the data show an 8-point difference between the two ... (Read 74 times)

awywial · **on:** Jun 20, 2018

For an independent-measures research study, the data show an 8-point difference between the two treatment means and a pooled variance of 4.Given this information, what is the value of Cohen's d?

A) 8/4
B) 8/2
C) 4/8
D) 8/1

Question 2

If a set of exam scores forms a symmetrical distribution, what can we conclude about the students' scores?

A) Most of the students had relatively high scores.
B) Most of the students had relatively low scores.
C) About 50 of the students had high scores and the rest had low scores.
D) It is not possible the draw any conclusions about the students' scores.