Question

Soal matematika tentang Standar Deviasi

Answer 1

Verified answer

stat

xi = 4,5,6,8

∑xi = 4+5+6+8 = 23

x = 23/4 = 5,75

∑|x-xi|² = |5,75 - 4|² + |5,75-5|² +|5,75 - 6|²+ |5,75 - 8|² = 8,75

s² = 1/n [∑|x-xi|² ] = 1/4 [8,75) = 2.1875 ~~ 2, 19

S = √s² = √(2,19)