SQL – STDEVP or STDEV and how to use it?
To use it, simply: SELECT STDEVP(OriginalValue) FROM yourTable From below, you probably want STDEVP. From here: STDEV is used when the group of numbers being evaluated are only a partial sampling of the whole population. The denominator for dividing the sum of squared deviations is N-1, where N is the number of observations ( a … Read more