What is the mean of the difference scores for the following difference scores: 2, 6.5, 3, 7.8, 10, 4.2?
A) 7.10
B) 5.58
C) 6.7
D) 33.5

Question

Quizplus · Accepted Answer

To find the mean of the difference scores, we would first add up all the scores and then divide by the total number of scores.

(2 + 6.5 + 3 + 7.8 + 10 + 4.2) / 6 = 5.58

Therefore, the mean of the difference scores is 5.58, which corresponds to choice B.

What Is the Mean of the Difference Scores for the Following