The sum of the deviation values for eight scores from a distribution of 10 scores is -10. What is the sum of the deviation values for the other two scores?
A) 0
B) 2
C) 10
D) Need raw scores to determine

Question

Quizplus · Accepted Answer

Since the sum of deviations for the eight scores is -10 and there are a total of 10 scores, the sum of deviations for all 10 scores must be 0. Therefore, the sum of deviations for the other two scores must be 10 in order to balance out the -10 from the previous eight scores.

The Sum of the Deviation Values for Eight Scores from a Distribution