Amelia P. answered • 05/12/14

Eager to help students succeed at all levels of education!

Variance= 1.35714

1. Find the average (also known as the mean) of the data set.

2. For each individual number, subtract the Mean and square the result.

3. Find the average of the results from step 2.

4. Take the square root of that and you are done!

1.Find the average (also known as the mean) of the data set)

2.subtract the Mean and square the result

3. work out the average of those squared differences.

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