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Marijuana Survey Exercise referred to a Pew poll of 1500
Chapter 1, Problem 10RE(choose chapter or problem)
Problem 10RE
Problem
Marijuana Survey Exercise referred to a Pew poll of 1500 adults, and 52% of the respondents 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 that the 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 for medical purposes should not be legal. What is the percentage of respondents who said that the use 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 of respondents 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 statistical significance?
e. Does the difference between the two percentages from part (c) appear to have practical significance?
Exercise
Marijuana Survey In a recent Pew poll of 1500 adults, 52% of the respondents said that the use of marijuana should not be made legal. In the same poll, 23% of the respondents said that 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 United States. The method used to select the sample was equivalent to placing the names of all adults in a giant bowl, mixing the names, and then drawing 1500 names. What type of sampling is this? (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, don’t know, and refused to respond?
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 respondents could complete and mail back?
Questions & Answers
QUESTION:
Problem 10RE
Problem
Marijuana Survey Exercise referred to a Pew poll of 1500 adults, and 52% of the respondents 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 that the 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 for medical purposes should not be legal. What is the percentage of respondents who said that the use 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 of respondents 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 statistical significance?
e. Does the difference between the two percentages from part (c) appear to have practical significance?
Exercise
Marijuana Survey In a recent Pew poll of 1500 adults, 52% of the respondents said that the use of marijuana should not be made legal. In the same poll, 23% of the respondents said that 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 United States. The method used to select the sample was equivalent to placing the names of all adults in a giant bowl, mixing the names, and then drawing 1500 names. What type of sampling is this? (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, don’t know, and refused to respond?
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 respondents could complete and mail back?
ANSWER:
Answer:
Step1 of 6:
Given exercise referred to a Pew poll of 1500 adults, and 52% of the respondents said that the use of marijuana should not be made legal.