Multiple Choice
Use the following information for questions:
Decide if the study is an observational study or an experiment.
-A medicine to remove the redness in eyes was tested in a group of 100 students. Each student took the medicine in one eye and a placebo in the other eye. The eye (left or right) that received the placebo was decided by flipping a coin.
A) Observational Study
B) Experiment
Correct Answer:
Verified
Correct Answer:
Verified
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