The STDEVA() 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. If a referenced cell contains text or contains the boolean value FALSE, it is counted as 0. If the boolean value is TRUE it is counted as 1.
Die Som () funksie bereken Die Som van alle Die waardes gegewe as parameters. Jy kan bereken Die Som van 'n omvang Som( A1: B5) van' n lys van waardes hou van Som( 12; 5; 12. 5).