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Data on advertising expenditures and revenue (in thousands of dollars) for the Four Seasons Restaurant follow. Advertising Expenditures Revenue 20 N 33 A 45 6 41 10 53 14 54 20 55 a. Let I equal advertising expenditures and y equal revenue. Use the method of least squares to develop a straight line approximation of the relationship between the two variables (to 2 decin y = 29.8 * + 1.62 X 2 b. Test whether revenue and advertising expenditures are related at a 0.05 level of significance. Compute the following (to 2 decimals). SSE 333.42 X SST X SSR MSR MSE X Compute the F test statistic (to 2 decimals) 11.42 X e to search O HI 79'F Clear ~ 4