Fact checked by Suzanne Kvilhaug Reviewed by Chip Stapleton For a given data set, standard deviation measures how spread out the numbers are from an average value. This measurement of average variance ...

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 ...

When you have the average production of three machines, it is easy to calculate the average or mean production. You just add ...

the more spread out the individual points are in that set. The technical definition of standard deviation is somewhat complicated. First, for each data value, find out how far the value is from ...