A sample of n = 4 scores has SS = 60.What is the variance for this sample?
A)30
B)20
C)16
D)15

Name: A sample of n = 4 scores has SS = 60.What is the variance for this sample? A)30 B)20 C)16 D)15
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Question

A sample of n = 4 scores has SS = 60.What is the variance for this sample?​
A)30​
B)​20
C)​16
D)​15

Quizplus · Accepted Answer

The variance ($s^2$) for a sample is calculated by dividing the sum of squares (SS) by the degrees of freedom (n-1). For n = 4, degrees of freedom = 4 - 1 = 3. Thus, variance = SS / (n - 1) = 60 / 3 = 20.

A Sample of N = 4 Scores Has SS =