For these project assignments throughout the course you will need to reference the data in the ROI Excel spreadheet. Download it here.
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Using the ROI data set:
- For each of the 2 majors test the hypothesis at the 5% significance level:
- The mean â€˜Costâ€™ for a college is $160,000. Be sure to interpret your results.
- 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 â€™30-Year ROIâ€™ for Business majors is less than for Engineering Majors. Be sure to interpret your results.
|Grading Criteria Assignments||Maximum Points|
|Meets or exceeds established assignment criteria||40|
|Demonstrates an understanding of lesson concepts||20|
|Clearly presents well-reasoned ideas and concepts||30|
|Uses proper mechanics, punctuation, sentence structure, and spelling||10|