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Restaurant Advertising and Revenue. Data on advertising expenditures and revenue (in thousands of dollars) for the Four Seasons Restaurant follow. c. Prepare a residual plot of ? − ?̂ versus ?̂. Use the result from part (a) to obtain the values of ?̂. d. What conclusions can you draw from residual analysis? Should this model be used, or should we look for a better one? Advertising Expenditures Revenue 1 19 2 32 4 44 6 40 10 52 14 53 20 54

Restaurant Advertising and Revenue. Data on advertising expenditures and revenue (in thousands of dollars) for the Four Seasons Restaurant follow. c. Prepare a residual plot of ? − ?̂ versus ?̂. Use the result from part (a) to obtain the values of ?̂. d. What conclusions can you draw from residual analysis? Should this model be used, or should we look for a better one? Advertising Expenditures Revenue 1 19 2 32 4 44 6 40 10 52 14 53 20 54

MATLAB: An Introduction with Applications
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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Restaurant Advertising and Revenue. Data on advertising expenditures and revenue (in thousands of dollars) for the Four Seasons Restaurant follow.

c.    Prepare a residual plot of ? − ?̂ versus ?̂. Use the result from part (a) to obtain the values of ?̂.
d.   What conclusions can you draw from residual analysis? Should this model be used, or should we look for a better one?

 

Advertising Expenditures Revenue
1 19
2 32
4 44
6 40
10 52
14 53
20 54

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