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David hypothesize that the average age of the population of Wyoming is less than 45 years. David records a sample mean equal to 42 and
David hypothesize that the average age of the population of Wyoming is less than 45 years. David records a sample mean equal to 42 and states the hypothesis as mu equals 45 vs mu less than 45. Select the best description for this type of test. a.) Left-tailed test b.) Right-tailed test c.) Upper-tailed test d.) Two-tailed test
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