13 The following data of Snedecor and Cochran sh The followi

1-3 The following data of Snedecor and Cochran sh The following data of Snedecor and Cochran show the initial weights and the gains in weight (both in grams) of 15 female rats on a high-protein diet that was administered from the 24th day to the 84th day of their age: Initial Weight, Weight Gain, y 64 76 64 74 60 69 68 56 48 57 59 46 45 65 128 159 158 119 133 112 96 126 132 118 107 106 82 103 104

Solution

X Y XY XX 50 129 6450 2500 64 159 10176 4096 76 158 12008 5776 64 119 7616 4096 74 133 9842 5476 60 112 6720 3600 69 96 6624 4761 68 126 8568 4624 56 132 7392 3136 48 118 5664 2304 57 107 6099 3249 59 106 6254 3481 46 82 3772 2116 55 103 5665 3025 65 104 6760 4225 911 1784 109610 56465