Biology, asked by shjacks2, 3 months ago

What is a control group?


A group that changes the variable

The group that applies the variable

The group that tests the variable

A test group where the variable is not changed or applied

Answers

Answered by SMD2004
9

Answer:

A control group is a statistically significant portion of participants in an experiment that are shielded from exposure to variables. In a pharmaceutical drug study, for example, the control group receives a placebo, which has no effect on the body

Explanation:

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