Question

Simpangan baku dari data 8,4,12,6,10 adalah

Answer 1

8+4+12+6+10=40
n = 5
40/5 = 8

(8-8)² + (4-8)² + (12-8)² + (6-8)² + (10-8)²
= (0)² + (-4)² + (4)² + (-2)² + (2)²
= 0 + 16 + 16 + 4 + 4
= 40

√40/5 = √8 = √4.2 = 2√2