The IRS wants to develop a method for detecting whether or not individuals have

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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 and                    charitable contributions for 11 tax payers 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 single 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 R^2
                    d.) How might the IRS use the regression results to identify returns with unusually high charitable contributions?Type your question here

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