Concept explainers
Whether the given situation calls for a survey, an observational study, or an experiment.
Answer to Problem 10SGR
The situation is calling for the experimental study.
Explanation of Solution
Given:
Find 100 students, half of which have part time jobs and compare their grade point averages.
The observational study is the study of the researcher which will not assign the treatments to any kind of subjects.
Whereas the experimental study is the study where researcher will assign the treatments to the subject.
Here, are two groups: control and the treatment.
Here, the control group is provided placebo whereas the treatment is provided the treatment.
Since, the student from one group is doing the part time job and others don’t.
Hence, the one group is assigned a treatment.
Therefore, the situation is calling for the experimental study.
Chapter 12 Solutions
Algebra 2
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