Dr. Ryan Gosling is conducting the following hypothesis test at the 5% significance level using a sample size ofn = 9 observations: HO: µ = 83 vs. Ha: µ < 83. Which of the following is the best choice for the rejection region? %3D

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Dr. Ryan Gosling is conducting the following hypothesis test at the 5% significance level using a
sample size ofn = 9 observations: HO: µ = 83 vs. Ha: µ < 83. Which of the following is the best
choice for the rejection region?
O t< -1.860
Ot> 1.860
O z< 1.645
z > 1.833
Transcribed Image Text:Dr. Ryan Gosling is conducting the following hypothesis test at the 5% significance level using a sample size ofn = 9 observations: HO: µ = 83 vs. Ha: µ < 83. Which of the following is the best choice for the rejection region? O t< -1.860 Ot> 1.860 O z< 1.645 z > 1.833
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