Learn how to calculate Standard Deviationin Excel. The STDEV function can be used to estimate standard deviation based on sample in Excel.

How to Make a Curved Chart for Standard Deviation in Excel. Using Microsoft Excel you can create charts based on the data and formulas entered in a worksheet. Enter a sample range of numbers in ...

In a normal distribution, 68% of values are within 1 standard deviation of the mean, 95% of values are within 2 standard deviations of the mean and 99.7% of values are within 3 standard deviations ...