y x (x-x*)(y-y*) (x-x*)^2 (y-y*)^2 y^ (y-y^)^2 (ui+1-ui)^2 12.5 4100 2856.7 2371600 3.441025 12.70276 0.04111 13.8 5400 133.2 57600 0.308025 14.09751 0.088511 1.94533 14.25 6300 -69.3 435600 0.011025 15.0631 0.661138 0.932377 14.25 5400 25.2 57600 0.011025 14.09751 0.023254 0.932377 14.5 4800 -121.8 705600 0.021025 13.45378 1.094584 0.41439 13 4600 1409.2 1081600 1.836025 13.2392 0.057216 0.046043 14 6200 -198.8 313600 0.126025 14.95582 0.913584 2.946772 15 6100 296.7 211600 0.416025 14.84853 0.022944 0.011511 15.75 6400 1060.2 577600 1.946025 15.17039 0.335945 0.103597 16.5 7100 3131.7 2131600 4.601025 15.92141 0.334764 0.56403 y* x* ∑ ∑ ∑ ∑ ∑ 14.355 5640 8523 7944000 12.71725 3.573049 7.896427 r 0.847962 b1 0.001073 b0 8.303927 R^2 0.719039 DW 2.209997 SE 0.199479 E(y) 15.49226 t*SE^0.5 1.029932

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