business stats (easy and short)

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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.
    • 11 years ago
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    Zeek the Geek
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