ata on advertising expenditures and revenue (in thousands of dollars) for the Four Seasons Restaurant follow. Advertising Expenditures Revenue 19 33 4 44 6 41 10 53 14 54 20 55 . Let z equal advertising expenditures and y equal revenue. Use the method least squares to develop a straight line approximation of the relationship between the two variables (to 2 decimals). = 29.80 + 1.59 z Test whether revenue and advertising expenditures are related at a 0.05 level of significance. Compute the following (to 2 decimals). SSE 318.34 SST 1045.4 SSR 727.09 MSR 727.09 MSE 63.67 Compute the F test statistic (to 2 decimals). 11.42 hat is the p-value? Use Table 4 from Appendix B. - Select your answer what is your conclusion?

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Author:Amos Gilat
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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
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
19
2
33
4
44
41
10
53
14
54
20
55
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 the two variables (to 2 decimals).
=
29.80 +
1.59 x
b. Test whether revenue and advertising expenditures are related at a 0.05 level of significance.
Compute the following (to 2 decimals).
318.34
SSE
1045.4
SST
727.09
SR
727.09
MSR
MSE
63.67
Compute the F test statistic (to 2 decimals).
11.42
What is the p-value? Use Table 4 from Appendix B.
- Select your answer -
What is your conclusion?
- Select your answer -
Transcribed Image Text:Data on advertising expenditures and revenue (in thousands of dollars) for the Four Seasons Restaurant follow. Advertising Expenditures Revenue 19 2 33 4 44 41 10 53 14 54 20 55 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 the two variables (to 2 decimals). = 29.80 + 1.59 x b. Test whether revenue and advertising expenditures are related at a 0.05 level of significance. Compute the following (to 2 decimals). 318.34 SSE 1045.4 SST 727.09 SR 727.09 MSR MSE 63.67 Compute the F test statistic (to 2 decimals). 11.42 What is the p-value? Use Table 4 from Appendix B. - Select your answer - What is your conclusion? - Select your answer -
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