Statistics Homework Solutions 128

Statistics Homework Solutions 128 - 128 CHAPTER 5 1 46095 2...

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128 CHAPTER 5 (b) The level 100 1 α % can be determined from the equation t 17 α 2 1 46095 18 0 5. From this equation, t 17 α 2 1 452. The t table indicates that the value of α 2 is between 0.05 and 0.10, and closer to 0.10. Therefore the level 100 1 α % is closest to 80%. Section 5.8 1. (a) X N 8 5 0 2 2 , Y N 21 2 0 3 2 (b) Answers will vary. (c) Answers will vary. (d) Yes, P is approximately normally distributed. (e) Answers will vary. 3. (a) Yes, A is approximately normally distributed. (b) Answers will vary.
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