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Business Statistics
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:
1. For each of the 2 majors test the hypothesis at the 5% significance level:
o The mean ‘Cost’ for a college is $160,000. Be sure to interpret your results.
2. For Business versus Engineering majors conduct a two sample test of the hypothesis at the 10% significance level (assume the variances are not equal):
o The average ’30-Year ROI’ for Business majors is less than for Engineering Majors. Be sure to interpret your results.
