the sampling distribution of has mean â–¼ sigma startfraction mu over n endfraction startfraction sigma over n endfraction startfraction mu over startroot n endroot endfraction mu and standard deviation â–¼ sigma . startfraction startroot n endroot over sigma endfraction . startfraction mu over startroot n endroot endfraction . startfraction sigma over startroot n endroot endfraction . mu .
