Project Assignment

For these project assignments throughout the course you will need to reference the data in the ROI Excel spreadsheet.

• 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 Ì‚ = b0 + b1X and the coefficient of determination (r2) from the Excel regression 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: β1 = 0
  • Ha: β1 ≠ 0

Write a paragraph or more on any observations you make about the regression estimates, coefficient of determination, the plots, and the results of your hypothesis tests.

Please provide original work. No plagiarizing.

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