For a team project, students asked peers if they thought of their parents or guardians as "strict". They do not have time to interview all 1000 students in the school, so they plan to obtain data from a sample of students. Part B: Is the best design for this study a sample survey, an experiment, or an observational study? Explain your reasoning. O All three designs will work the same. O Experiment, because the researcher is purposely attempting to influence the results. The goal is to determine what effect a particular treatment has on the outcome. O Sample survey, because they are interested in estimating a population parameter, which is the proportion of all parents at the school who are "strict". It is less time consuming and costly to take a random sample of students than to interview all students at the school. O Observational study, because the sample population being studied is measured, or surveyed, as it is. The surveyors are able to simply observe interactions between students and parents at school.

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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For a team project, students asked peers if they thought of their parents or guardians as "strict". They do not have time to interview all 1000
students in the school, so they plan to obtain data from a sample of students.
Part B: Is the best design for this study a sample survey, an experiment, or an observational study? Explain your reasoning.
O All three designs will work the same.
O Experiment, because the researcher is purposely attempting to influence the results. The goal is to determine what effect a particular treatment has on the outcome.
O Sample survey, because they are interested in estimating a population parameter, which is the proportion of all parents at the school who are "strict". It is less time consuming and costly to
take a random sample of students than to interview all students at the school.
O Observational study, because the sample population being studied is measured, or surveyed, as it is. The surveyors are able to simply observe interactions between students and parents at
school,
Transcribed Image Text:For a team project, students asked peers if they thought of their parents or guardians as "strict". They do not have time to interview all 1000 students in the school, so they plan to obtain data from a sample of students. Part B: Is the best design for this study a sample survey, an experiment, or an observational study? Explain your reasoning. O All three designs will work the same. O Experiment, because the researcher is purposely attempting to influence the results. The goal is to determine what effect a particular treatment has on the outcome. O Sample survey, because they are interested in estimating a population parameter, which is the proportion of all parents at the school who are "strict". It is less time consuming and costly to take a random sample of students than to interview all students at the school. O Observational study, because the sample population being studied is measured, or surveyed, as it is. The surveyors are able to simply observe interactions between students and parents at school,
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