Compare the coefficient of determination (R2) for the regression model of Exercise 12.62 to the square of the correlation between sales and titles in Exercise 12.64. Compute the incremental F statistic for testing the null hypothesis that footage, Windows base, and Mac base add no predictive value given titles. Can this hypothesis be rejected at α = .01?
In exercise 12.62

Biweek Sl Titles Footage Windows Mac 179 197 154 166 184 86.7 86.0122 76.6 87.6 90.4 Biweek Sl Titles 91.7 115 80.7 110 85.2 113 106.6 129 91.4 124 Windows Mac 168 153 182 206 183 continued) 116 362 318 349 330 6 112 116 122 70 79 337 354 72 93 82 10 381 70 2 2 2 2 2 2 2 996 75 26 197 ns 996 74 202 194 194 742135 642445 769 300 soi ATI // 4% aya $12 500 sop sir 999 apa $15 4% $10 4% $30 STA 996 5 4445 55445 0 1 1811754877640 2 0 0 1 4 8 2 Sa-12 2 2 2 2 2 1 1 1 3 14 1 5 3 4 3 2 1 1 41 3 3 3 3 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 31106 13 Ma-20 20 20 17 2 2 2 22 18 21 22 24 2 2 2 2 2 2 2 2 7 374744853424 3444 42 4444 42 ww 85 96 85 78 101 92 99 9688 80 88 91 89 84 98 99 103 91 98 92 0 066 26 4 6 2 6 7 293181 772 678901