MA215 W5Assignment2.docx MA215 Week 5 Assignment Grantham University MA215 For each o

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MA215 W5Assignment2.docx MA215 Week 5 Assignment Grantham University MA215 For each of the 2 majors consider the ˜School Type™ column. Assuming the requirements are met, construct a 90% confi... dence interval for the proportion of the schools that are ˜Private™. Be sure to interpret your results. Business ROI “ 90% confidence interval = 0.367 and 0.733 The true proportion of the schools that are private is between 0.367 and 0.733. Engineering ROI “ 90% confidence interval = 0.653 and 0.947 The true proportion of the schools that are private is between 0.367 and 0.733. 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. Business ROI “ 95% confidence interval = 8.46 and 9.83 The true mean of the schools that are private is between 8.46 and 9.83. Engineering ROI “ 95% confidence interval = 7.31 and 8.33 The true mean. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [Show More]

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