nilai simpangan rata rata dari data 1 2 4 6 7 adalah

x ( rata2) = (1+2+4+6+7)/5 = 20/5 = 4
Simpangan rata2 :
= ( |1-4| + |2-4| + |4-4| + |6-4| + |7-4| ) / 5
= ( |-3| + |-2| + |0| + |2| + |3| ) / 5
= ( 3+2+0+2+3 ) / 5
= 10 / 5
= 2