• November 7th, 2018

Project Week 7

Paper , Order, or Assignment Requirements

Using the ROI data set:

For each of the two majors:
1.Draw the scatter diagram of Y = ‘Annual % ROI’ against X = ‘Cost’.
2.Obtain b0 and b1 of the regression equation defined as y ̂ = b0 + b1X and the coefficient of determination (r2) from the Excel regression output.
3.Draw the fitted regression line on the scatter diagram.
4.Calculate the estimated ‘Annual % ROI’ when the ‘Cost’ (X) is $160,000.
5.Test the hypothesis:
oH0: β1 = 0
oHa: β1 ≠ 0
6.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.

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