The STDEV() function returns the estimate standard deviation based on a sample. The standard deviation is a measure of how widely values are dispersed from the average value.
De funksje STDEV () jout de skatte standertdeviaasje, basearre op in stekproef. De standertdeviaasje is in maat foar de sprieding fan de wearden om harren gemiddelde (woartel (som kwadraten ôfwikingen dield troch (oantal- 1)).