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When you have the average production of three machines, it is easy to calculate the average or mean production. You just add ...
Standard deviation is a statistic measuring the dispersion of a dataset relative to its mean. It is calculated as the square root of the variance. Learn how it's used.
How to calculate Standard Deviation in Excel. The Standard Deviation is a term used in statistics. The term describes how much the numbers if a set of data vary from the mean. The syntax to ...
Variance is a measurement of the spread between numbers in a data set. Investors use the variance equation to evaluate a portfolio’s asset allocation.