business stats (easy and short)

profilecrytal20

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 consider the ‘School Type’ column.  Assuming the requirements are met, construct a 90% confidence interval for the proportion of the schools that are ‘Private’.  Be sure to interpret your results.
  2. For each of the 2 majors construct a 95% confidence interval for the mean of the column ‘Annual % ROI’.  Be sure to interpret your results.
    • 9 years ago
    • 7
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