The variance of a sample of 169 observations equals 576. The standard deviation of the sample equals
a. 13
b. 24
c. 576
d. 28,461
Answer: b. 24
The variance of a sample of 169 observations equals 576. The standard deviation of the sample equals
a. 13
b. 24
c. 576
d. 28,461
Answer: b. 24
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