Question

A random sample of 10 subjects have weights with a standard deviation of 11.0482 kg. What is the variance of their​ weights? Be sure to include the appropriate units with the result.

Answer 1

The variance is 122.0627 kg

Explanation:

The square of the standard deviation of a distribution gives us the variance.

If a random sample of 10 subjects have weights with a standard deviation of 11.0482 kg.

Then the standard deviation is

`{ \sigma} = 11.0482`

To get the variance, we square both sides to get;

`{ \sigma}^(2) = 11.0482^(2)`

This implies that,

`{ \sigma}^(2) = 122.0627kg`