g) Variance s 2 s 2 = s 2 = x 2 ( x ) 2 n n 1 s 2 = n1 x 2 n (x) 2 s 2 = 25515 ( 585 ) 2 14 13 s 2 = 13 25515 14 (585) 2 ( 585 ) 2 = 342225 ; 342225 14 = 24444.64 (585) 2 =342225; 14 342225 =24444.64 s 2 = 25515 24444.64 13 = 1070.36 13 = 82.34 s 2 = 13 2551524444.64 = 13 1070.36 =82.34 fro this question can show more details