MA 215 Grantham University Business Statistics Wk3 Probability Project Business Statistics Week #3 Assignment
Week 3 Project Assignment
For these project assignments throughout the course you will need to reference the data in the ROI Excel spreadsheet. Download it here.
Using the ROI data set:
If we select 7 colleges from a major and then record whether they are of School Type Private or not, is this experiment a binomial one? Why or why not?
For each of the 2 majors determine if the Annual % ROI appears to be normally distributed. Consider the shape of the histogram and the measures of central tendency (mean and median) to justify your results. Report on each of these with charts and calculations to justify your answers. 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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