PART 1:For these project assignments throughout the course you will need to reference the data in the ROI Excel spreadsheet (ATTACHED). 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.PART 2:For these project assignments throughout the course you will need to reference the data in the ROI Excel spreadsheet (ATTACHED). Using the ROI data set: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.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.PLEASE USE THE ATTACHMENT FOR BOTH PARTS
PART 1For these project assignments throughout the course y
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