Help me please with this question

asked Sep 2, 2021 113k views

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5 votes

Answer:

It provides a standard for comparsion for the experimental groups.

Step-by-step explanation:

Vre answered Sep 4, 2021

by Vre

4.9k points

4 votes

The answer is c. Hope this helps

Stefun answered Sep 7, 2021

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