Question

If standard deviation of population is 9.The population variance is?

Answer 1

Answer: The population variance would be 81.

Step-by-step explanation:

Key point: Variance= (standard deviation)^2

So,

The population variance= (standard deviation of population)^2

The population variance= (9)^2

The population variance= 81

Answer 2

Answer:

Variance = 81

Step-by-step explanation:

Formula:

Variance = ( S.D)^2

In the attachment I have answered this problem.

See the attachment for detailed solution.