Question: A growing concern for educators is the number of teenagers who have part-time jobs whilethey attend high school. It is generally believed that the amount of time teenagers spendworking is...

Question: A growing concern for educators is the number of teenagers who have part-time jobs whilethey attend high school. It is generally believed that the amount of time teenagers spendworking is deducted from the amount of time devoted to school work. The maximum timerecommended for a part-time job is 6 hours per week. A school guidance counsellor sets outto investigate whether the average time spent working by all 15-year old school students isgreater than 6 hours per week. She takes a random sample of 200 15-year olds and asks eachone how many hours per week they work in a part-time job. The data is in the file Part-timejobs.xls.(a) Perform appropriate 6 step hypothesis testing stating all your arguments/calculations.What can you conclude about the average number of hours worked by 15-year oldschool students? (6 marks)(b) What is the p-value for the test? (2 marks)(c) Based on p-value, comment on the average number of hours worked by 15-year oldschool students. (2 marks)

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Sheet3 Sheet2 Sheet1 Hours 4.00 8.00 7.00 5.00 5.00 8.00 6.00 8.00 9.00 9.00 7.00 7.00 5.00 8.00 9.00 8.00 7.00 7.00 6.00 7.00 6.00 7.00 7.00 2.00 6.00 6.00 8.00 8.00 6.00 6.00 5.00 6.00 7.00 8.00 10.00 7.00 10.00 8.00 8.00 6.00 8.00 7.00 7.00 9.00 4.00 6.00 7.00 8.00 6.00 6.00 10.00 7.00 4.00 6.00 7.00 8.00 12.00 7.00 7.00 8.00 7.00 10.00 8.00 7.00 2.00 10.00 4.00 6.00 9.00 7.00 8.00 7.00 7.00 9.00 7.00 9.00 5.00 8.00 7.00 5.00 5.00 5.00 10.00 9.00 6.00 7.00 5.00 10.00 4.00 4.00 9.00 7.00 5.00 6.00 10.00 8.00 6.00 8.00 8.00 8.00 7.00 6.00 7.00 7.00 7.00 6.00 10.00 6.00 6.00 6.00 7.00 10.00 7.00 8.00 7.00 7.00 9.00 7.00 8.00 8.00 6.00 6.00 7.00 5.00 6.00 7.00 5.00 9.00 7.00 9.00 8.00 9.00 9.00 9.00 7.00 9.00 7.00 8.00 9.00 6.00 8.00 10.00 6.00 8.00 3.00 7.00 8.00 6.00 9.00 7.00 8.00 6.00 10.00 5.00 3.00 7.00 5.00 5.00 6.00 6.00 9.00 9.00 8.00 8.00 9.00 6.00 10.00 9.00 6.00 7.00 7.00 6.00 6.00 9.00 4.00 9.00 8.00 7.00 6.00 6.00 9.00 8.00 5.00 9.00 8.00 6.00 6.00 8.00 8.00 7.00 10.00 7.00 7.00 8.00 7.00 8.00 8.00 7.00 8.00 7.00 ...

005_8xis5k-513lc3oa.xls

May 14, 2022

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Question: A growing concern for educators is the number of teenagers who have part-time jobs whilethey attend high school. It is generally believed that the amount of time teenagers spendworking is...

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