# Business statistics project week 1

***** THERE IS AN ATTACHMENT WITH THIS ASSIGNMENT****

MUST BE COMPLETED IN 6 HOURS!!!

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

In this data set – 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 ‘School Type’, ‘Cost’, ’30-Year ROI’, and ‘Annual % ROI’.

1. The Week 8 project is completed in part every week.  If you do each week’s project, your Week 8 project will go a lot better than if you do not.   Open the spreadsheet.  Explain what ROI is.
2. From the spreadsheet, define what each column is telling you. Go beyond giving the name of the column.  For example, what is a 30-year ROI?
3. For each of the 2 majors create a pie chart using the column ‘School Type’.  Make sure that the title clearly explains what you are looking at.
4. For each of the 2 majors create a frequency distribution and histogram using the column ‘Annual % ROI’.  Group with starting at 6% (0.06), ending at 11% (0.11), and go by 0.5% (0.005).  Make sure that there are NO overlapping bars.  For example, if one bar is 0.060-0.064, then the next bar can’t start with 0.064.  It would have to start with0.065.
5. In a highlighted box, interpret your results.  Do the samples represent public and private schools equally?  What does this mean in terms of the population of schools?  Is there a certain histogram bar that is higher than all the others?  What does this mean in terms of ROI?  These are not the only questions you can use to interpret the results, but they are a push in the right direction. Keep going. What else do you see?
Pages (550 words)
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