Question

Simpangan baku dari data :
6, 8, 6, 7, 8, 7, 9, 7, 7, 6, 7, 8, 6, 5, 8, 7 adalah.....
a. 1
b. 1, 375
c. 1, 125
d. 0, 875
e. 0, 625

mohon bantuannya segera

Answer 1

Rata2 = 112/16 = 7

S = √(6-7)^2+(8-7)^2+(6-7)^2+(7-7)^2+(8-7)^2+(7-7)^2+(9-7)^2+(7-7)^2+(7-7)^2+(6-7)^2+(7-7)^3+(8-7)^2+(6-7)^2+(5-7)^2+(8-7)^2+(7-7)^2 / 16
= √16/16
= √1
= 1


maaf kalau salah :)