Question

Simpangan baku dari data 3,4,5,5,6,7 adalah

Answer 1

= 3+4+2.5+6+7 / 6 = 5
1/6 [(3-5)²+(4-5)²+(5-5)²+(5-5)²+(6-5)²+(7-5)²] = 1/6 [(4 + 1 + 0 + 0 + 1 + 4)]
1/6 x 10 = 10/16
S = √S² = √10/16 =√5/8

Answer 2