Question
The following data describes weekly gross revenue (), television advertising expenditures (), and newspaper advertising expenditures () for Showtime Movie Theaters. Weekly Gross Television Newspaper
The following data describes weekly gross revenue (), television advertising expenditures (), and newspaper advertising expenditures () for Showtime Movie Theaters.
Weekly Gross | Television | Newspaper |
Revenue | Advertising | Advertising |
() | () | () |
99 | 5.0 | 1.5 |
90 | 2.0 | 2.0 |
95 | 4.0 | 1.5 |
92 | 2.5 | 2.5 |
95 | 3.0 | 3.3 |
94 | 3.5 | 2.3 |
94 | 2.5 | 4.2 |
94 | 3.0 | 2.5 |
a.Find an estimated regression equation relating weekly gross revenue to television advertising expenditures and newspaper advertising expenditures (todecimals).
+ +
b.Choose the correct plot of the standardized residuals against.
A. | B. | |||
C. | D. |
- Select your answer -Graph AGraph BGraph CGraph DItem 4
Does the residual plot support the assumptions about ? Explain.
- Select your answer -YesNoItem 5
With the relatively few observations, it - Select your answer -isis notItem 6 difficult to determine if the model assumptions are violated.
c.Check for any outliers in these data. What are your conclusion?
Because - Select your answer -1 value2 values3 or more valuesnoneItem 7 of the standard residuals are less thanor greater than, - Select your answer -123 or morenoneItem 8 of the observations - Select your answer -cancannotItem 9 be classified as an outlier.
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