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# Marijuana Survey Exercise 8 referred to a Pew poll of 1500

ISBN: 9780321924599 237

## Solution for problem 10 Chapter 1

Essentials of Statistics | 5th Edition

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Problem 10

Marijuana Survey Exercise 8 referred to a Pew poll of 1500 adults, and 52% of therespondents said that the use of marijuana should not be made legal.a. Among the 1500 adults who responded, what is the number of respondents who said thatthe use of marijuana should not be made legal?b. In the same poll of 1500 adults, 345 of the respondents said that the use of marijuana formedical purposes should not be legal. What is the percentage of respondents who said that theuse of marijuana for medical purposes should not be legal?c. In this survey of 1500 adults, 727 are men and 773 are women. Find the percentage ofrespondents who are men, and then find the percentage of respondents who are women. d. Does the difference between the two percentages from part (c) appear to have statisticalsignificance?e. Does the difference between the two percentages from part (c) appear to have practicalsignificance?

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Week 11: Hypothesis Testing 16 November 2016 Basic Statistics for Research Professor HK Dong Wendy Liu Logic of Hypothesis Testing 1. State the hypothesis 2. Define the decision method 3. Gather data 4. Make a decision Rare event rule of inferential statistics – if, under a given assumption, the probability of a particular observed event is exceptionally...

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