Variance is a measurement of the spread between numbers in a data set. The variance measures how far each number in the set is from the mean. You can use Microsoft Excel to calculate the variance ...

Calculating data fluctuations-- also called variance -- is a multi ... Add up to 255 data values -- also called arguments -- to an Excel 2010 worksheet. Because the formula you will enter can ...

That still sounds very complicated, which is why we're going to work through an example, and because no one in this day and age would calculate a variance by hand, we'll use Microsoft Excel.