To better understand what you are actually calculating with the variance, please consider this simple example. Mathematically, it is defined as the average of the squared differences from the mean. Variance is the measure of variability of a data set that indicates how far different values are spread. Variance formula in Excel - usage notes.How to find population variance in Excel. ![]() How to calculate sample variance in Excel.In this article, we will analyze different methods of calculating variance in Excel. For example, temperature near the equator has less variance than in other climate zones. ![]() In practice, it often shows how much something changes. In science, it describes how far each number in the data set is from the mean. Variance is one of the most useful tools in probability theory and statistics. ![]() In this tutorial, we will look at how to do variance analysis Excel and what formulas to use to find variance of a sample and population.
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