Recognize the purposes of and differences among sample surveys, experiments, and observational studies; explain how randomization relates to each.
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Q 1/2
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The manager of food services at a local high school is interested in assessing student opinion about a new lunch menu in the school cafeteria. The manager is planning to conduct a sample survey of the student population.
Which of the listed methods of sample selection would be the MOST effective at reducing bias?
60
Randomly select one classroom in the school and then select the first 30 students who enter that classroom.
Randomly select one day of the week and then select the first 30 students who enter the cafeteria on that day
Randomly select 30 students from a list of all the students in the school.
Post the survey on the school Web site and use the first 30 surveys that are submitted.
Q 2/2
Score 0
The manager of food services at a local high school is interested in assessing student opinion about a new lunch menu in the school cafeteria. The manager is planning to conduct a sample survey of the student population.
The manager wants to know if a student's gender is related to the student's opinion about the menu. Which statement BEST describes the study?
60
This is an experimental study, and therefore, the manager will not be able to establish a cause-and-effect relationship between gender and opinion.
This is an experimental study, and therefore, the manager will be able to establish a cause-and-effect relationship between gender and opinion.
This is an observational study, and therefore, the manager will be able to establish a cause-and-effect relationship between gender and opinion.
This is an observational study, and therefore, the manager will not be able to establish a cause-and-effect relationship between gender and opinion.
2 questions
Q.
The manager of food services at a local high school is interested in assessing student opinion about a new lunch menu in the school cafeteria. The manager is planning to conduct a sample survey of the student population.
Which of the listed methods of sample selection would be the MOST effective at reducing bias?
1
60 sec
S-IC.B.3
Q.
The manager of food services at a local high school is interested in assessing student opinion about a new lunch menu in the school cafeteria. The manager is planning to conduct a sample survey of the student population.
The manager wants to know if a student's gender is related to the student's opinion about the menu. Which statement BEST describes the study?
