Empirical Rule Cheat Sheet

Empirical Rule percentiles are the percentage of data below (to the left of) an x value. Use this Quick and Easy calculator to find percentiles when you are given the population mean and standard deviation and x values. In most intro stats classes, you will only be given x values whose z-scores are integers. If a problem has x values whose z-scores are not integer values, you can find percentiles using the Normal tab on the workbook. See below for links to download the workbook.

The Excel workbook with the calculator is free, but I would appreciate your subscribing to my YouTube channel:

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