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Author Question: A two-tailed hypothesis test is performed at the = 0.05 level. A critical value of z(0.025) = 1.96 ... (Read 75 times)

mspears3

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on: Jul 24, 2018
A two-tailed hypothesis test is performed at the  = 0.05 level. A critical value of z(0.025) = 1.96 is used to assess the significance of a test statistic, z = -1.81. Which is the correct inference?
  1.Fail to reject the null hypothesis
  2.Reject the null hypothesis

Question 2

What is the critical value for a one-tailed z-test for an alternative hypothesis that is stated as a less than at the  = 0.02 level?
  1.-2.33
  2.-2.05
  3.2.33
  4.2.05


jharrington11

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Reply #1 on: Jul 24, 2018
Answer to Question 1

1

Answer to Question 2

2


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