Question

Asked Jan 31, 2019

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How do you find variance with only the standard deviation and number of values?

How do you find variance in general?

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Step 1

Variance is square of standard deviation.

So, if you are given standard deviation, then simply square it to get variance.

Step 2

For example, you are given standard deviation = 2.

Therefore, variance would be:

Step 3

If you are given set of data, then follow these steps. Let's take an example. Suppo...

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