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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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