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# MA215 Grantham University ROI by Major Worked Project

For these project assignments throughout the course you will need to reference the data in the ROI Excel spreadheet. Download it here.

Scenario: You have been approached by someone who is trying to figure out whether to pursue a business degree or an engineering degree. The person can afford either one, and the person likes both topics equally well. Your job is to focus on ROI. The central question for you to answer in this course is which major, business or engineering, will give this person the better ROI?

In this data set â€“ the ROI data set – for 2 different majors (Business and Engineering), you are given a sample of the 20 best colleges according to ROI (ROI = Return on Investment) and their â€˜School Typeâ€™, â€˜Costâ€™, â€™30-Year ROIâ€™, and â€˜Annual % ROIâ€™.

Using the ROI data set:For each of the 2 majors calculate the mean, median, minimum, maximum, range, and standard deviation for the columns â€˜Costâ€™ and â€™30-Year ROIâ€™. Define each of the terms in #1, and explain how each can be used to provide information about a data set.When you did the calculations in #1, do these numbers apply to a sample or a population?By hand or with Excel, for each of the 2 majors calculate the probability that a college picked from the column for â€˜School Typeâ€™ is â€˜Publicâ€™.By hand or with Excel, for each of the 2 majors find the probability that a college with the â€˜School Typeâ€™ â€˜Privateâ€™ has a â€™30-Year ROIâ€™ between \$1,500,000 and \$1,800,000.This is your highlighted box for your project: Use the definitions and explanations in #2 to analyze the data.

What does it mean if there is a greater range in terms of ROI? Does it guarantee a better ROI?

What does it mean if there is a greater standard deviation in terms of ROI? Is that a good thing? Explain.

Which major is looking like it has the better ROI right now? Why?

Are your conclusions here pertaining to a sample or to a population? Why? What are the implications of what the data pertains to?

*** Remember that written portions go on a MS Word document.

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