Intro to Stat_Part_50

Intro to Stat_Part_50 - 164 D. day = night CHAPTER 10....

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164 CHAPTER 10. HYPOTHESIS TESTING: TWO MEANS, PAIRED DATA, TWO PROPORTIONS D. μ day 6 = μ night Exercise 10.52 (Solution on p. 168.) A concluding statement is: A. The statistics night students average on Exam 2 is better than the statistics day students average on Exam 2. B. The statistics day students average on Exam 2 is better than the statistics night students average on Exam 2. C. There is no significant difference between the averages of the statistics day students and night students on Exam 2. D. There is a significant difference between the averages of the statistics day students and night students on Exam 2. 10.3 Review Questions 4 The next three questions refer to the following information: In a survey at Kirkwood Ski Resort the following information was recorded: Sport Participation by Age 0 – 10 11 - 20 21 - 40 40+ Ski 10 12 30 8 Snowboard 6 17 12 5 Table 10.10 Suppose that one person from of the above was randomly selected. Exercise 10.53: REVIEW QUESTION 1 (Solution on p. 168.) Find the probability that the person was a skier or was age 11 – 20. Exercise 10.54: REVIEW QUESTION 2 (Solution on p. 168.) Find the probability that the person was a snowboarder given he/she was age 21 – 40. Exercise 10.55: REVIEW QUESTION 3 (Solution on p. 168.) Explain which of the following are true and which are false. a.
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This document was uploaded on 10/31/2011 for the course STA 2023 at University of Florida.

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Intro to Stat_Part_50 - 164 D. day = night CHAPTER 10....

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