22.01 22.42 26.15 15.65 19.84 20.03 24.52 25.86 17.32 33.66 13.72 22.35 33.51 21.811 19.59 9.66 20 22.6 23.42 15.75 17.75 14.22 8.92 25.16 19.02 19.54 18.36 28.05 18.7 21.47 19.4 13.36 23.44 19.65 23.62 26.92 24.52 14.58 10.95 6.39 29.9 22.01 14.49 19.06 26.02 7.04 13.53 20.92 22.68 16.05 28.88 19.52 17.03 27.95 11.59 27.47 41 Sum of x: x=_ 5 a 1162.21 6 b 1150.70 7 C 1139.31 8 d 1128.03 9 02 1 a Sum of squared x: Ex= 1272452 $2 b 1259853 $3 C 24786 54 d 24541 55 56 3 57 58 59 60 b C PD a 1 D Sum of x, squared: (Ex)=. 1285176 1272452 24786 d 24541 61 62 4 The mean of x: x= 63 a 20.14 64 h 19.37