Showing topic: One-tailed and two-tailed hypothesis tests
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Question
State the key points about: One-tailed and two-tailed hypothesis tests
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Answer
• <strong>One-tailed test:</strong> Used when the alternative hypothesis specifies a direction (e.g., p<0.5 or p>0.5). The critical region is entirely in one tail.
• <strong>Two-tailed test:</strong> Used when the alternative hypothesis states a difference but no specific direction (e.g., $p
eq 0.5$). The significance level is split between both tails of the distribution.
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One-tailed and two-tailed hypothesis tests
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