Draw the fitted regression line on the scatter diagram

Assignment Help Basic Statistics

Reference no: EM131561872

Assignment

Must be well thought out good ideas and concepts shown

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:

o H0: β1 = 0
o 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.

Attachment:- Mboir.rar

Reference no: EM131561872

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