STDEV.P, STDEV.S, STDEVX.P, STDEVX.S – DAX Guide

STDEV.P: Calculates standard deviation based on the entire population given as arguments.
https://dax.guide/stdev-p/

STDEV.S: Estimates standard deviation based on a sample.
https://dax.guide/stdev-s/

STDEVX.P: Estimates standard deviation based on the entire population that results from evaluating an expression for each row of a table.
https://dax.guide/stdevx-p/

STDEVX.S: Estimates standard deviation based on a sample that results from evaluating an expression for each row of a table.
https://dax.guide/stdevx-s/

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