sep.09
B - grupa
x y x2 y2 xy y^ (y-y^)2 n = 7
94 120 8836 14400 11280 116,55 11,89 Σx = 727
99 120 9801 14400 11880 118,81 1,42 Σy = 847
95 110 9025 12100 10450 117,00 49,04 Σx2 = 76047
100 122 10000 14884 12200 119,26 7,51 Σy2 = 102673
106 123 11236 15129 13038 121,97 1,07 Σxy = 88212
115 124 13225 15376 14260 126,03 4,12
118 128 13924 16384 15104 127,38 0,38
SKxx = 542,857
SKyy = 186,000
SPxy = 245,000
b1 = 0,451
b0 = 74,128
r = 0,771
r2 = 0,594
SKU = 186,000
SKR (SKN) = 75,43
SKO = 110,572