The sum of the squared deviation scores is SS = 20 for a sample of n = 5 scores.What is the variance for this sample?
A)4
B)5
C)80
D)100

Name: The sum of the squared deviation scores is SS = 20 for a sample of n = 5 scores.What is the variance for this sample? A)4 B)5 C)80 D)100
Brand: Quizplus
Rating: 4.9 (27 reviews)

Question

The sum of the squared deviation scores is SS = 20 for a sample of n = 5 scores.What is the variance for this sample?​
A)​4
B)​5
C)​80
D)​100

Quizplus · Accepted Answer

The formula for variance is SS/n-1. 
Therefore, variance = 20/4 = 5. 
So, the correct answer is option B.

The Sum of the Squared Deviation Scores Is SS =