Data on advertising expenditures and revenue [in thousands of dollars) for the Four Seasons Restaurant follow. Advertising Expenditure: Revenue 1 19 2 33 4 44 E 4i] ll] 53 14 54 2E] 55 a. Let 2 equal advertising expenditures and 1.: equal revenue. Use the method of least squares to develop a straight line approximation of the relationship between the two variables {to 2 decimals}. ii: 29.92 9+ 1.5: 8:: b. Test whether revenue and advertising expenditures are related at a [L level of signicance. Compute the following {to 2 decimals}. SSE SST SSH. MBR 30690 MSE