love your videos! thank you StdDevp = standard deviation of population (ie: you know entire population "n") ; 1/n stand dev formula StdDev = use a SAMPLE to "Estimate" standard deviation (coz it is usually impossible to investigate entire pop'n) ; 1/n-1 stand dev formula
love your videos! thank you
StdDevp = standard deviation of population (ie: you know entire population "n") ; 1/n stand dev formula
StdDev = use a SAMPLE to "Estimate" standard deviation (coz it is usually impossible to investigate entire pop'n) ; 1/n-1 stand dev formula