# To find:Whether the experiment is an observational or a designed experiment.

To find:Whether the experiment is an observational or a designed experiment.
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Nola Robson
Designed study:
An analyst can control the specifications of the treatments and its assigning methods to the treatments. Such a study is termed as designed study.
Observational study:
The study in which an analyst cannot control the response but will simply observe the treatments are known as the observational study.
The 232 subjects are assigned to one of the six closing methods. Thus, the experiment is a designed study.