Questions from Business Analytics

Q: An industry trade publication stated that the average profit per customer for

An industry trade publication stated that the average profit per customer for this industry was greater than $4,500. The Excel file Sales Data provides data on a sample of customers. Using a test of h...

Q: Jamie Drout is interested in perceptions of gender stereotypes within beauty product

Jamie Drout is interested in perceptions of gender stereotypes within beauty product advertising, which includes soap, deodorant, shampoo, conditioner, lotion, perfume, cologne, makeup, chemical hair...

Q: For each of the following scenarios, state whether descriptive, predictive

For each of the following scenarios, state whether descriptive, predictive, or prescriptive analytics tools would most likely be used. a. An insurance firm wants to analyze fraudulent claims to predic...

Q: A financial advisor believes that the proportion of investors who are risk

A financial advisor believes that the proportion of investors who are risk-averse (that is, try to avoid risk in their investment decisions) is at least 0.6. A survey of 31 investors found that 19 of...

Q: Suppose that a previous record of a blood donation campaign conducted in

Suppose that a previous record of a blood donation campaign conducted in the city of London indicates that the probability of a donor having blood type O is 0.6. Of a sample of 120 donors who have com...

Q: The Excel file Room Inspection provides data for 100 room inspections at

The Excel file Room Inspection provides data for 100 room inspections at each of 25 hotels in a major chain. Management would like the proportion of nonconforming rooms to be less than 2%. Formulate a...

Q: A two-sample test for means was conducted to test whether

A two-sample test for means was conducted to test whether the mean number of movies watched each month differed between males and females. The Excel Data Analysis tool results are shown below. a. Expl...

Q: A two-sample test for means was conducted to determine if

A two-sample test for means was conducted to determine if the completion time for continuing education programs for nurses differed when costs are paid by employers (Yes) versus when individuals paid...

Q: Using the Excel file YouTube Hours, determine if the mean number

Using the Excel file YouTube Hours, determine if the mean number of hours spent online per week is the same for males as it is for females.

Q: A research group in Sweden estimated that almost 1.5 million

A research group in Sweden estimated that almost 1.5 million people in Sweden have used Netflix from September to December 2018. Formulate an appropriate one-sample test of hypothesis to test this.