Data on advertising expenditures and revenue (in thousands of dollars) for the Four Seasons Restaurant follow. Advertising ExpendituresRevenue119233444641105314542055 a. Let a equal advertising expenditures and y equal revenue. Use the method of least squares to develop a straight line approximation of the relationship between thetwo variables (to 2 decimals).+b. Test whether revenue and advertising expenditures are related at a 0.05 level of significance.Compute the following (to 2 decimals).SSESSTSSRMSRMSECompute the F test statistic (to 2 decimals).What is the p-value? Use Table 4 from Appendix B.- Select your answer -What is your conclusion?Select your answer -c. Prepare a residual plot of y-y versus ŷ. Use the result from part (a) to obtain the values of ŷ. Choose the correct residual plot below. D.-5F-10303540455055 Predicted ValuesThe correct plot of the residuals isSelect your answerd. What conclusion can you draw from residual analysis?The residual plotSelect your answerus to question the assumption of a linear relationship between x and y.Should this model be used, or should we look for a better one?Select your answer -

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Advertising Expenditures	Revenue
1	19
2	33
4	44
6	41
10	53
14	54
20	55

Data on advertising expenditures and revenue (in thousands of dollars) for the Four Seasons Restaurant follow. Advertising Expenditures Revenue 1 19 2 33 4 44