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The standard deviation of a sample of 100 observations equals 64. The variance of the sample equals

a. 8
b. 10
c. 6,400
d. 4,096
e. None of the above answers is correct.
in Data Science by Diamond (50,454 points) | 3,130 views

3 Answers

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The variance of the sample equals 4096.

 

Because the standard deviation of 4096 is 64
by Wooden (1,088 points)
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The variance is 4096. The variance is the std dev squared.
by Wooden (256 points)
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The variance of the sample equals 4096. 64 squared.
by Wooden (401 points)

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