Refer to the Cravens data set in Table 16.5. In Section 16.3 we showed that the estimated regression equation involving Accounts, AdvExp, Poten, and Share had an adjusted coefficient of determination of 88.1%. Use the .05 level of significance and apply the Durbin-Watson test to determine whether positive autocorrelation is present.

Sales Time Poten AdvExp Share Change Accounts Work Rating 3,669.88 43.10 74,065.1 4582.9 2.51 3,473.95 108.13 58,1173 5539.8 5.51 2.295.10 13.82 21,118.5 ,950.4 10.91 4,675.56 186.18 68,521.3 2,243.1 8.27 6,125.96 161.79 57,805. 7,7471 9.15 2,134.94 8.94 37.806.9 402.4 5.51 503166 365.04 50,935.3 3,140.6 8.54 3,36745 220.32 35.602.1 2,086.2 7.07 6,519.45 127.64 46,176.8 8,846. 12.54 4876.37 105.69 42,053.2 5,673.1 8.85 2,468.27 57.72 36,829.7 2,761.8 5.38 2,533.3 23.58 33,612.7 1,991.8 5.43 2,408. 13.82 21,4128 1,9715 8.48 2,337.38 13.82 20,416.9 17374 7.80 4,586.95 86.99 36,272.0 10,694.2 10.34 2,729.24 165.85 23,093.3 8,618.6 5.15 3.289.40 116.26 26,878.6 77479 6.64 2,800.78 42.28 39,572.0 4565.8 5.45 3,264.20 52.84 51,866.1 6,022.7 .31 3,453.62 65.04 58,749.8 3,72. 6.35 1,7414510.57 23,990.8 2,035.75 13.82 25.694.9 3,571.5 8.390.43 2.44 2.66 3.4 0.34 0.15 0.72 74.86 5.054.9 07.32 9.97 5.1 96.75 734 2.9 195.12 3.40 3.4 180.44 04.88 16.22 4.5 256.10 8.80 4.6 126.83 19.86 1 0.50 0.15 0.55 17.64 4.6 2.3 124 203.25 742 4.9 0.31 0.37 0.64 101 0.11 0.04 0.68 0.66 0.10 0.03 861.0 137 1.63 19.51 21.41 16.26 6.32 3.1 142.28 14.51 89.43 84.55 20.02 4.2 19.5 5.26 5.5 80.49 5.87 3.6 136.58 78.86 6.00 4.2 136.58 744 3.6 138.21 75.61 20.99 19.35 4.3 7.81 17.98 3.1 578.00 83 23.736.3 2,845.5 5.15 4,167.44 58.44 34.314.3 5,060.1 12.88 0.04 0.22 2.799.97 24 22.809.5 3,552.0 9.140.74 76.42 2146 2.7 136.58 24.78 88.62 24.96 3.9