13,39
x y x2 y2 xy y^ (y-y^)2 n = 8
55 180 3025 32400 9900 193,50 182,30 Σx = 421
68 215 4624 46225 14620 216,78 3,15 Σy = 1514
50 195 2500 38025 9750 184,55 109,19 Σx2 = 23743
34 165 1156 27225 5610 155,91 82,70 Σy2 = 292116
43 170 1849 28900 7310 172,02 4,07 Σxy = 82517
58 204 3364 41616 11832 198,87 26,29
77 235 5929 55225 18095 232,89 4,46
36 150 1296 22500 5400 159,49 89,99 SKxx = 1587,875
SKU= SKyy = 5591,500
SPxy = 2842,750
a) b1 = 1,790
b0 = 95,036
r = 0,954
d) r2 = 0,910
b) s = 9,148
c) SKU = 5591,500
SKR(SKN) = 502,17
SKO = 5089,335