Question

If the standard deviation of a population is 8, what will be its variance

?

A. 64

B. 16

C. 32

D. 24

1. C
2. D
3. B
4. A

Answer 1

Correct Answer - Option 4 : A

Given

The standard deviation of a population is 8

Formula used

Standard deviation = √(variance)

Calculation

Here standard deviation is 8

Variance is equal to (standard deviation)²

⇒ Variance = (8)²

∴ Variance is 64