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hypothesis
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Jayward Balinas

What is a critical value?

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Irish Joy Mercado
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A critical value is a threshold that the test statistic must exceed to reject the null hypothesis (H0H_0H0​) at a given significance level (α\alphaα). It depends on the type of test (e.g., Z-test, T-test) and whether it's one-tailed or two-tailed.

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