Project Week 6

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

Using the ROI data set:

1. For each of the 2 majors test the hypothesis at the 5% significance level:
   • 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):
   • The average ’30-Year ROI’ for Business majors is less than for Engineering Majors. Be sure to interpret your results.

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