If the p-value is smaller than the significance level α, we generally

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Module 4: Hypothesis Testing and Ensemble Methods

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If the p-value is smaller than the significance level α, we generally (i) Reject H0 (ii) Accept H0 (iii) Increase α automatically (iv) Reject H1

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Answer: (i) Reject (H_0)

When the p-value is below the chosen significance level (\alpha), the observed data would be sufficiently unlikely under the null hypothesis, so we reject (H_0). This does not prove the alternative hypothesis with certainty.

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