Economics JAMB

If the standard deviation of a given data is 8.2; find its variance?

A. 4.1
B. 67.2
C. 82.0
D. 91.8

Correct Answer:

Option B – 67.2

Explanation

The variance is the square root of the standard deviation. Hence we have;

8.2 x 8.2 = 67.24

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