FORESTRY
AGRICULTURAL STATISTICS AND ECONOMICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following best describes a Type I error?
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The null is true, but we mistakenly reject it.
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The null is false and we reject it.
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The null is false, but we fail to reject it.
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The null is true but we fail to reject it.
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The null is true, and we fail to reject it.
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Explanation:
Detailed explanation-1: -Answer and Explanation: The statement (a.) Type I error is the probability of rejecting the null when it is true is TRUE.
Detailed explanation-2: -1) Type-I Error: In a hypothesis test, a Type-I error occurs when the null hypothesis is rejected when it is in fact true. That is, H0 is wrongly rejected. For example, in a clinical trial of a new drug, the null hypothesis might be that the new drug is no better, on average than the current drug.
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