Using the ROI data set:
- For each of the 2 majors consider the â€˜School Typeâ€™ column. Assuming the requirements are met, construct a 90% confidence interval for the proportion of the schools that are â€˜Privateâ€™. Be sure to interpret your results.
- For each of the 2 majors construct a 95% confidence interval for the mean of the column â€˜Annual % ROIâ€™. Be sure to interpret your results.
* ROI Data has been attached.
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