Grantham University Wk5 Business Statistics ROI Data Set Questions Week 5 Project Assignment
For these project assignments throughout the course you will need to reference the data in the ROI Excel spreadsheet. Download it here.
Using the ROI data set:
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.
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.
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