A sample of n = 9 scores has a variance of s² = 144.What is the standard deviation for this sample? A)s=19 B)s=12 C)s=16 D)s=14

Name: A sample of n = 9 scores has a variance of s 2 = 144.What is the standard deviation for this sample? A)s=19 B)s=12 C)s=16 D)s=14
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Quizplus · Accepted Answer

The standard deviation is the square root of the variance. Since the variance is 144, the standard deviation is the square root of 144, which is 12.

A Sample of N = 9 Scores Has a Variance