MA215 Grantham University ROI Data Project
Project Week 7
Using the ROI data set:
For each of the two majors:
- Draw the scatter diagram of Y = Annual % ROI against X = Cost.
- Obtain b0 and b1 of the regression equation defined as y ? =b0 + b1X and the coefficient of determination (r2) from the Excelregression output.
- Draw the fitted regression line on the scatter diagram.
- Calculate the estimated Annual % ROI when the Cost (X) is $160,000.
- Test the hypothesis:
- H0: ?1 = 0
- Ha: ?1 ? 0
- Write a paragraph or more on any observations you make aboutthe regression estimates, coefficient of determination, the plots, andthe results of your hypothesis tests.
Data attached
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