Asked by Stuart

The salaries (in thousands of dollars) for a sample of 13 employees of a firm are: 26.5, 23.5, 29.7, 24.8, 21.1, 24.3, 20.4, 22.7, 27.2, 23.7, 24.1, 24.8, and 28.2.

Compute the variance of the salaries.


a)2.562
b)6.125 - I Picked this
c)9.223
d)7.097

Answers

Answered by MathGuru
Your pick is incorrect. It's either c) or d). Remember that standard deviation is the square root of the variance, and variance is standard deviation squared.

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