Question: The least-squares regression equation Å· = 98.1 + 5.0t has been fitted to the shipment data given here. Calculate the Durbin-Watson d statistic and test

The least-squares regression equation Å· = 98.1 + 5.0t has been fitted to the shipment data given here. Calculate the Durbin-Watson d statistic and test for positive autocorrelation of the residuals at the 0.05 level of significance. Comment on the appropriateness of using this model for this set of data.

Yt Yt 97.06125.5 11 150.6 2 109.7 7 132.9 12 57.8 3 110.3 8 39.7 158.3 4 121.5 9 5.6 14 166.9 5 1304 10 49.4 15 175.8

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