Question

If the standard deviation is 8.6kg. What is the variance?

Answer 1

Answer : The variance is,
`73.96kg^2`

Step-by-step explanation :

As we know that the standard deviation is the square root of the Variance.

Formula used :

`\text{Standard deviation}=\sqrt{\text{Variance}}`

Given:

Standard deviation = 8.6 kg

Now put the value of standard deviation in above formula, we get:

`8.6kg=\sqrt{\text{Variance}}`

`\text{Variance}=(8.6kg)^2`

`\text{Variance}=73.96kg^2`

Therefore, the variance is,
`73.96kg^2`

Answer 2

Variance = 73.96
`Kg^(2)`

Explanation:

We are given that standard deviation is 8.6 kg.

Now, Variance formula =
`Standard deviation^(2)`

=
`8.6^(2)` = 73.96
`Kg^(2)`.