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The authors of the paper "Illicit Use of Psychostimulants among College Students" surveyed college students about their use of legal and illegal stimulants. The sample of students surveyed consisted of students enrolled in at psychology class at a small, competitive college in the United States. (a) Was this sample a simple random sample, a stratified sample, a systematic sample, or a convenience sample? Explain. OA simple random sample, since any student can be selected for this sample. OA stratified sample, since the sample was chosen out of all classes in the college. OA systematic sample, since they surveyed each student in the class. O A convenience sample, since the study simply used students from one psychology class. (b) Give two reasons why the estimate of the proportion of students who reported using illegal stimulants based on data from this survey should not be generalized to all U.S. college students. (Select all that apply.) The students in this psychology class, and at this particular small college, are unlikely to be representative of the set of all college students in the U.S. While the college's students are probably representative of all college students in the U.S., one class is probably not representative of the college. □ If the college were larger we could generalize the survey to all U.S. college students, but we are told this is a small college. Since the survey was about illegal drug use, we cannot be sure all students were giving truthful answers to the questions.

The authors of the paper "Illicit Use of Psychostimulants among College Students" surveyed college students about their use of legal and illegal stimulants. The sample of students surveyed consisted of students enrolled in at psychology class at a small, competitive college in the United States. (a) Was this sample a simple random sample, a stratified sample, a systematic sample, or a convenience sample? Explain. OA simple random sample, since any student can be selected for this sample. OA stratified sample, since the sample was chosen out of all classes in the college. OA systematic sample, since they surveyed each student in the class. O A convenience sample, since the study simply used students from one psychology class. (b) Give two reasons why the estimate of the proportion of students who reported using illegal stimulants based on data from this survey should not be generalized to all U.S. college students. (Select all that apply.) The students in this psychology class, and at this particular small college, are unlikely to be representative of the set of all college students in the U.S. While the college's students are probably representative of all college students in the U.S., one class is probably not representative of the college. □ If the college were larger we could generalize the survey to all U.S. college students, but we are told this is a small college. Since the survey was about illegal drug use, we cannot be sure all students were giving truthful answers to the questions.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The authors of the paper "Illicit Use of Psychostimulants among College Students"t surveyed college students about their use of legal and illegal stimulants. The sample of students surveyed consisted of students enrolled in a psychology class at a small, competitive college in the United States. (a) Was this sample a simple random sample, a stratified sample, a systematic sample, or a convenience sample? Explain. O A simple random sample, since any student can be selected for this sample. O A stratified sample, since the sample was chosen out of all classes in the college. O A systematic sample, since they surveyed each student in the class. O A convenience sample, since the study simply used students from one psychology class. (b) Give two reasons why the estimate of the proportion of students who reported using illegal stimulants based on data from this survey should not be generalized to all U.S. college students. (Select all that apply.) The students in this psychology class, and at this particular small college, are unlikely to be representative of the set of all college students in the U.S. O While the college's students are probably representative of all college students in the U.S., one class is probably not representative of the college. □ If the college were larger we could generalize the survey to all U.S. college students, but we are told this is a small college. O Since the survey was about illegal drug use, we cannot be sure all students were giving truthful answers to the questions.
Transcribed Image Text:The authors of the paper "Illicit Use of Psychostimulants among College Students"t surveyed college students about their use of legal and illegal stimulants. The sample of students surveyed consisted of students enrolled in a psychology class at a small, competitive college in the United States. (a) Was this sample a simple random sample, a stratified sample, a systematic sample, or a convenience sample? Explain. O A simple random sample, since any student can be selected for this sample. O A stratified sample, since the sample was chosen out of all classes in the college. O A systematic sample, since they surveyed each student in the class. O A convenience sample, since the study simply used students from one psychology class. (b) Give two reasons why the estimate of the proportion of students who reported using illegal stimulants based on data from this survey should not be generalized to all U.S. college students. (Select all that apply.) The students in this psychology class, and at this particular small college, are unlikely to be representative of the set of all college students in the U.S. O While the college's students are probably representative of all college students in the U.S., one class is probably not representative of the college. □ If the college were larger we could generalize the survey to all U.S. college students, but we are told this is a small college. O Since the survey was about illegal drug use, we cannot be sure all students were giving truthful answers to the questions.
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