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Category > Statistics Posted 20 Jun 2017 My Price 12.00

Data on advertising expenditures and revenue (in thousands of dollars) for the Four Seasons Restaurant follow

Data on advertising expenditures and revenue (in thousands of dollars) for the Four Seasons Restaurant follow.

 

a. Let x 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.

b. Test whether revenue and advertising expenditures are related at a .05 level of significance.

c. Prepare a residual plot of y - Å· versus Å·. 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?

 

 

Answers

Alpha Geek
(8)
Status NEW Posted 20 Jun 2017 11:06 AM My Price 12.00

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Attachments

file 1497959095-1731358_1_636331024711917223_1731358.xlsx preview (59 words )
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