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Asked by Lyn

A sample of n = 25 scores has M = 20 and s2 = 9. What is the sample standard deviation?
a. 3
b. 4.5
c. 9
d. 81


11 years ago

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Answered by Kuai
S^2 = 9
s = 3

Ans a
11 years ago
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A sample of n = 25 scores has M = 20 and s2 = 9. What is the sample standard deviation?
a. 3
b. 4.5
c. 9
d. 81


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