A computer was used to complete the preliminary calculations: form the extensions table; calculate the summations x, y, x2, xy,

y2; and find the SS(x), SS(y), and SS(xy) for the following set of bivariate data. Verify the results by calculating the values yourself.

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X 45 52 49 60 67 y 22 26 21 28 33 _61 32 MINITAB output: Row X Y XSQ XY YSQ 1 45 22 2025 990 484 23 2 52 26 2704 1352 676 49 21 2401 1029 441 456 60 28 3600 1680 784 67 33 4489 2211 1089 6 61 32 3721 1952 1024 Row sum X sum Y sum XSQ sum XY sum YSQ 1 334 162 18940 9214 4498 SS(X) 347.333 SS(Y) 124.000 SS (XY) 196.000