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Category > Computer Science Posted 28 Apr 2017 My Price 3.00

Prepare a scatter plot of the data

The IRS wants to develop a method for detecting whether or not individuals have overstated their deductions for charitable contributions on their tax returns. To assist in this effort, the IRS supplied data found in the file Dat9-7.xlsx that accompanies this book listing the adjusted gross income (AGI) and charitable contributions for 11 taxpayers whose returns were audited and found to be correct.

a. Prepare a scatter plot of the data. Does there appear to be a linear relationship between these variables?

b. Develop a simple linear regression model that can be used to predict the level of charitable contributions from a return’s AGI. What is the estimated regression equation?

c. Interpret the value of R2.

d. How might the IRS use the regression results to identify returns with unusually high charitable contributions?

 

 

Answers

Alpha Geek
(8)
Status NEW Posted 28 Apr 2017 10:04 AM My Price 3.00

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file 1493374892-Answer.docx preview (200 words )
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