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In a certain school, students can choose whether to eat in the school's cafeteria. A reporter working for the school's newspaper polled students on their reactions to changes in the menu at the cafeteria. For each student leaving the cafeteria in one 20-minute time period, the reporter used a die to determine whether to stop the student and ask how he or she felt about the new menu. In the reporter's article it was stated that a random sample of the students showed that 23% of the school's student population was happy with the new menu. Which of the following statements is true? Because no The survey would have been more effective if students who cared about the food could have called the reporter to tell how they felt about the new menu, so that only students with opinions on the subject would have been surveyed. Because students self- Because each student leaving the cafeterla was randomly treatment was The survey would have been more effective if selected whether to eat imposed on the students eating in the cafeteria, one cannot make any in the cafeteria, the sampling method might selected and could choose to answer or not, this is a random sample of the student population, and the 23% is an accurate measurement of the the reporter had collected the data in one be biased and the 10-minute time period sample might not be representative of all students in the school. rather than in one 20- school population's vlew of the conclusions about minute time period. new menu. the new menu.

In a certain school, students can choose whether to eat in the school's cafeteria. A reporter working for the school's newspaper polled students on their reactions to changes in the menu at the cafeteria. For each student leaving the cafeteria in one 20-minute time period, the reporter used a die to determine whether to stop the student and ask how he or she felt about the new menu. In the reporter's article it was stated that a random sample of the students showed that 23% of the school's student population was happy with the new menu. Which of the following statements is true? Because no The survey would have been more effective if students who cared about the food could have called the reporter to tell how they felt about the new menu, so that only students with opinions on the subject would have been surveyed. Because students self- Because each student leaving the cafeterla was randomly treatment was The survey would have been more effective if selected whether to eat imposed on the students eating in the cafeteria, one cannot make any in the cafeteria, the sampling method might selected and could choose to answer or not, this is a random sample of the student population, and the 23% is an accurate measurement of the the reporter had collected the data in one be biased and the 10-minute time period sample might not be representative of all students in the school. rather than in one 20- school population's vlew of the conclusions about minute time period. new menu. the new menu.

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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In a certain school, students can choose whether to eat in the school's cafeteria. A reporter working for the school's newspaper polled students on their reactions to changes in the menu at the cafeteria. For each student leaving the cafeteria in one 20-minute time period, the reporter used a die to determine whether to stop the student and ask how he or she felt about the new menu. In the reporter's article it was stated that a random sample of the students showed that 23% of the school's student population was happy with the new menu. Which of the following statements is true? Because no The survey would have been more effective if students who cared about the food could have called the reporter to tell how they felt about the new menu, so that only students with opinions on the subject would have been surveyed. Because students self- Because each student leaving the cafeterla was randomly treatment was The survey would have been more effective if selected whether to eat imposed on the students eating in the cafeteria, one cannot make any conclusions about in the cafeteria, the sampling method might be biased and the selected and could choose to answer or not, this is a random sample of the student population, and the 23% Is an accurate measurement of the school population's vlew of the the reporter had collected the data in one 10-minute time period sample might not be representative of all students in the school. rather than in one 20- new menu. minute time period. the new menu.
Transcribed Image Text:In a certain school, students can choose whether to eat in the school's cafeteria. A reporter working for the school's newspaper polled students on their reactions to changes in the menu at the cafeteria. For each student leaving the cafeteria in one 20-minute time period, the reporter used a die to determine whether to stop the student and ask how he or she felt about the new menu. In the reporter's article it was stated that a random sample of the students showed that 23% of the school's student population was happy with the new menu. Which of the following statements is true? Because no The survey would have been more effective if students who cared about the food could have called the reporter to tell how they felt about the new menu, so that only students with opinions on the subject would have been surveyed. Because students self- Because each student leaving the cafeterla was randomly treatment was The survey would have been more effective if selected whether to eat imposed on the students eating in the cafeteria, one cannot make any conclusions about in the cafeteria, the sampling method might be biased and the selected and could choose to answer or not, this is a random sample of the student population, and the 23% Is an accurate measurement of the school population's vlew of the the reporter had collected the data in one 10-minute time period sample might not be representative of all students in the school. rather than in one 20- new menu. minute time period. the new menu.
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