A hypothesis test is conducted after an experiment to:
a. determine whether the two groups in the study are exactly the same.
b. determine how well the two groups are correlated.
c. see if the groups are significantly different, as opposed to being different due to chance.
d. summarize the distribution using a single score.
Answer: C
Rationale: The groups would be different because of the independent variable.
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Indicate whether the statement is true or false