To Decide:
Whether the given situation is an example of observational study, survey, or randomized controlled experiment.
This is an observational study.
Given:
An apple grower concerned about the effect of the orchard’s new canning plant may have on the business compares the number of apples produced in each tree with the distance of that tree from the canning plant.
Concepts Used:
An experiment necessarily imposes some treatment to the subjects to measure the effect on variables of interest.
In an observational study variables of interest are observed without imposing any treatment on the subjects.
In a survey subjects are asked direct questions about the variables of interest.
Description:
This is not survey because respondents are not asked questions directly. This is not an experiment because no treatment is imposed. This is an observational study where the variables are observed without imposing any treatment.
Conclusion:
This is an observational study.
Chapter 6 Solutions
Holt Mcdougal Larson Algebra 2: Student Edition 2012
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