Two Means - Matched Pairs (Dependent Samples)

10. Hypothesis Testing for Two Samples / Two Means - Matched Pairs (Dependent Samples) / 문제 1

문제 1

In a matched pairs study testing whether a new teaching method improves scores, which is the correct null hypothesis?

H0: μd ≠ 0

H0: μd < 0

H0: μd > 0

H0: μd = 0