Question: To test whether sleep duration (average hours per night) changes after using a behavioral sleep intervention, we measure sleep duration before and after the intervention.

To test whether sleep duration (average hours per night) changes after using a behavioral sleep intervention, we measure sleep duration before and after the intervention. What test would be most appropriate for this study?

	A.	Two-sample t-test
	B.	Inference for regression
	C.	Paired t-test
	D.	Chi-squared test for independence
	E.	ANOVA

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