Question: In Hypothesis Testing, How do we decide whether it is one tail test or two tail test? (apart from looking at keywords like increasing, decreasing

In Hypothesis Testing, How do we decide whether it is one tail test or two tail test? (apart from looking at keywords like increasing, decreasing or consistent)

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A onetailed test has the whole 5 of the alpha level in one tail in either the left or the proper ... View full answer

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