Intro to Stat_Part_46

# Intro to Stat_Part_46 - 152 CHAPTER 9 HYPOTHESIS TESTING...

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152 CHAPTER 9. HYPOTHESIS TESTING: SINGLE MEAN AND SINGLE PROPORTION

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Chapter 10 Hypothesis Testing: Two Means, Paired Data, Two Proportions 10.1 Summary of Types of Hypothesis Tests 1 Two Population Means Populations are independent and population standard deviations are unknown. Populations are independent and population standard deviations are known (not likely). Matched or Paired Samples Two samples are drawn from the same set of objects. Samples are dependent. Two Population Proportions Populations are independent. 10.2 Homework 2 For questions Exercise 10.1 - Exercise 10.10, indicate which of the following choices best identiﬁes the hy- pothesis test. A. Independent group means, population standard deviations and/or variances known B. Independent group means, population standard deviations and/or variances unknown C. Matched or paired samples D. Single mean E. 2 proportions F. Single proportion Exercise 10.1 (Solution on p. 166.) A powder diet is tested on 49 people and a liquid diet is tested on 36 different people. The pop- ulation standard deviations are 2 pounds and 3 pounds, respectively. Of interest is whether the
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Intro to Stat_Part_46 - 152 CHAPTER 9 HYPOTHESIS TESTING...

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