To explain: whether the research topic is best addressed through an experiment or an observational study then explain the design of the experiment or observational study.
The study is observational.
The researcher should choose some random treatment and control groups and measure the property value at regular intervals.
Given information:
The given statement is “You want to know if homes that are close to parks or schools have higher property values than other homes”.
Concept Used:
Experiment study:
It imposes a treatment on individuals in order to collect data on their response to the treatment. The treatment may be medical or any action that might affect a variable in the experiment, such as adding methanol to gasoline and then measuring its effect on fuel efficiency.
Observational study:
It observes individuals and measures variables without controlling the individuals or their environment.
Calculation:
The treatment of the experiment is the property location.
The experiment wants to study the effect of location on property prices.
The treatment that is the location of the property is not controlled by the researcher so an experiment is not possible.
It is possible for the researcher to observe the treatment that is property value so an observational study is possible.
Randomly choose another set of properties that are far from schools and parks.
Monitor the property value of both sets of properties at regular interval.
Chapter 6 Solutions
Holt Mcdougal Larson Algebra 2: Student Edition 2012
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