Estimate model using regression analysis

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Reference no: EM131406692

1. You have been provided with data for Sales and Advertising. Assume there are no outliers in the data.

Estimate this model using regression analysis...

Sales = β0 + β1*advertising + β2*advertising 2

a. State the hypothesis that tests if a non-linear relationship exists betweenSales and Advertising.

b. Based on your regression analysis what is your conclusion? Give reason.

c. What is the marginal impact of advertising on sales if advertising is increasedfrom $1500 to $1600?

d. What is the marginal impact on sales if advertising isincreased from $2400 to $2500? Please comment on any differences

e. Is there a lead/lag relationship between Advertising and Sales? That is, estimatethis model ...

Salest = β0+ β1*advertising t+ β2*advertising t23 *advertisingt-1

f. What is your conclusion? Give reason.

Attachment:- Data.rar

Verified Expert

The given word file contains the basic worked out solutions for a problem on non-linear regression equation and lag relation. Here, I have also worked out the various questions related to hypothesis testing.

Reference no: EM131406692

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Reviews

inf1406692

3/8/2017 3:55:07 AM

I have one additional question to get insight too and two questions I have answered that I would like you to review for accuracy. Thank you for the response. I am working all night my time here as well. I did not know what to list under price as I am not sure the the going rates etc. the problems are meant to be done via excel using regressions etc. Appreciate the effort! Looking forward to next steps, quote, etc. I need the calculation in the excel spreadhsheet please. 21374398_12 2Question 2 Data.xlsx Oh thank you very much.

len1406692

2/27/2017 5:09:15 AM

I need direction as to how to begin the problem as I have missed a day of class and know how do to this with the regression in excel but am at at loss to what the solution is, how far I should go.

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