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Project Week 7Using 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 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 = 0Ha: 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.Data attached
w7_cruzj_major.xlsx

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School Type
Private
Private
Private
Public
Private
Public
Private
Private
Private
Private
Private
Private
Private
Private
Private
Public
Public
Private
Private
Private
Best College ROI by Majo 2013: Payscale.com
Cost
$222.700,00
$176.400,00
$212.200,00
$125.100,00
$212.700,00
$92.910,00
$214.900,00
$217.800,00
$225.600,00
$217.300,00
$226.500,00
$215.500,00
$223.500,00
$226.600,00
$189.300,00
$89.700,00
$87.030,00
$218.200,00
$229.900,00
$148.800,00
30 Year ROI
$1.786.000,00
$1.758.000,00
$1.714.000,00
$1.535.000,00
$1.529.000,00
$1.501.000,00
$1.485.000,00
$1.483.000,00
$1.444.000,00
$1.442.000,00
$1.441.000,00
$1.438.000,00
$1.428.000,00
$1.414.000,00
$1.397.000,00
$1.382.000,00
$1.376.000,00
$1.343.000,00
$1.339.000,00
$1.321.000,00
Annual ROI
7,70%
8,40%
7,80%
9,10%
7,40%
10,10%
7,30%
7,20%
7,00%
7,10%
7,00%
7,20%
7,00%
7,00%
7,50%
9,90%
10,00%
6,90%
6,70%
8,10%
School Type
Private
Private
Private
Private
Private
Public
Private
Private
Public
Private
Public
Private
Public
Private
Public
Public
Public
Public
Private
Public
Cost
$221.700,00
$213.000,00
$230.100,00
$222.600,00
$225.800,00
$87.660,00
$224.900,00
$221.600,00
$125.100,00
$215.700,00
$92.530,00
$217.800,00
$89.700,00
$229.600,00
$101.500,00
$115.500,00
$104.500,00
$69.980,00
$219.400,00
$64.930,00
30 Year ROI
Annual ROI
$2.412.000,00
8,70%
$2.064.000,00
8,30%
$1.949.000,00
7,90%
$1.947.000,00
8,00%
$1.938.000,00
8,00%
$1.937.000,00
11,20%
$1.915.000,00
7,90%
$1.878.000,00
7,90%
$1.854.000,00
9,80%
$1.794.000,00
7,90%
$1.761.000,00
10,60%
$1.752.000,00
7,70%
$1.727.000,00
10,70%
$1.716.000,00
7,50%
$1.703.000,00
10,20%
$1.694.000,00
9,70%
$1.690.000,00
10,10%
$1.685.000,00
11,50%
$1.676.000,00
7,60%
$1.668.000,00
11,70%

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