A set of 10 scores has a standard deviation of 8. What is the sum of squares?
A) 80
B) .80
C) 640
D) 64

Name: A set of 10 scores has a standard deviation of 8. What is the sum of squares? A) 80 B) .80 C) 640 D) 64
Brand: Quizplus
Rating: 4.8 (31 reviews)

Question

Quizplus · Accepted Answer

The formula for the sum of squares is (standard deviation)^2 multiplied by (number of scores - 1). Therefore, the sum of squares in this problem would be (8)^2 * 9 = 640.

A Set of 10 Scores Has a Standard Deviation of 8