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Compare the grades on a final math test of 25 students who use calculators and 25 students who do not use calculators. The students decide which group they are in.
A. ExperimentB. Observational Study

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erolkayacan

Answer:

This is an Observational Study

Step-by-step explanation:

The students is deciding which group they will be in. According to this information we can say that this is a observational study. Investigator doesn't control the groups, each student decides their own choice. If investigator decided the groups then this experiment would be Experimental study.

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