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• # 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.

HERE IS THE ATTACHMENTROI_by_Major (4).xlsx

### Unformatted Attachment Preview

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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