Next, calculate the mean by using the Excel function provided. Since the coefficient of variation is the standard deviation divided by the mean, divide the cell containing the standard deviation ...

When you have the average production of three machines, it is easy to calculate the ... of the data around the mean. The standard deviation is the square root of the variance.

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For a given data set, standard deviation measures how spread out the numbers are from an average value. This measurement of average variance has a prominent place in many fields related to ...