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# Solved: Marijuana Survey In a recent Pew poll of 1500

ISBN: 9780321924599 237

## Solution for problem 8 Chapter 1

Essentials of Statistics | 5th Edition

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Problem 8

Marijuana Survey In a recent Pew poll of 1500 adults, 52% of the respondents said thatthe use of marijuana should not be made legal. In the same poll, 23% of the respondents saidthat the use of marijuana for medical purposes should not be legal.a. The sample of 1500 adults was selected from the population of all adults in the UnitedStates. The method used to select the sample was equivalent to placing the names of all adultsin a giant bowl, mixing the names, and then drawing 1500 names. What type of sampling isthis? (random, systematic, convenience, stratified, cluster)b. If the sampling method consisted of a random selection of 30 adults from each of the 50 states,what type of sampling would this be? (random, systematic, convenience, stratified, cluster)c. What is the level of measurement of the responses of yes, no, dont know, and refused torespond?d. Is the given value of 52% a statistic or a parameter? Why?e. What would be wrong with conducting the survey by mailing a questionnaire that respon-dents could complete and mail back?

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Lecture3-SamplingBasics Tuesday,August23,2:00PM • ○ ^Reviewfromthepreviouslecture • Population andSample ○ Population- everybodythattheresearchistargeting § Populationresultsarecalled populationparameters ○ Sample- thesubsetofthepopulationthatactuallyparticipatesintheresearch § Makesdatacollectionmanageable...

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