39. The following data represent the relation between the number of cans damaged in a boxcar shipment of cans and the speed of the boxcar at impact

(a) Analyze as a simple linear regression model.

(b) Plot the standardized residuals.

(c) Do the results of part

(b) indicate any flaw in the model?

(d) If the answer to part

(c) is yes, suggest a better model and estimate all resulting parameters.

Speed Number of Cans Damaged 3335556448 54 62 65 94 122 84 142 7 139 7 184 254