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A sample of 36 observations is selected from a normal population. The sample mean is 21, and the population standard deviation is 5. Conduct the

A sample of 36 observations is selected from a normal population. The sample mean is 21, and the population standard deviation is 5. Conduct the following test of hypothesis using the 0.05 significance level. H0: 20 H1: > 20 a. Is this a one- or two-tailed test? multiple choice 1

  • "One-tailed"the alternate hypothesis is greater than direction. Correct
  • "Two-tailed"the alternate hypothesis is different from direction.

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