Use the following information to answer questions 1 through 9. Bill claims that he spends an average of one hour or more

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Use the following information to answer questions 1 through 9. Bill claims that he spends an average of one hour or more

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Use The Following Information To Answer Questions 1 Through 9 Bill Claims That He Spends An Average Of One Hour Or More 1
Use The Following Information To Answer Questions 1 Through 9 Bill Claims That He Spends An Average Of One Hour Or More 1 (33.24 KiB) Viewed 29 times
Use the following information to answer questions 1 through 9. Bill claims that he spends an average of one hour or more on household chores. His wife, Mary doubts his claim. She randomly records eleven weeks of Bills chore time. 70 22 54 57 56 47 12 60 43 10 56 1) What is point estimate of the Bill's mean chore time? 2) The sample standard deviation, s, is: a) 11.8 b) 13.7 c) 19.5 d) 20.4 e) 23.1 f) 28.4 3) Find the 90% confidence interval for Bill's mean chore time. 4) Find the 998 confidence interval for Bill's mean chore time. 5) Mary believes that Bill's mean chore time is less than 60 minutes. What is the appropriate null and alternative hypothesis to support the Mary's belief?
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