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1) Perdue claims that their turkeys are heavier by Thanksgiving, on average, than Tyson's turkeys. Tyson-grown...

1)

Perdue claims that their turkeys are heavier by Thanksgiving, on average, than Tyson's turkeys. Tyson-grown turkeys had a mean weight of 17 pounds. You want to test the claim that Perdue turkeys are in fact heavier, on average, by Thanksgiving. Which of the following would be true about the set-up of this test.

A. It would be a one tailed test with the critical region in the right tail
B. Ho: μ ≤ 17, Ha: μ > 17
C. It would be a one tailed test with the critical region in the left tail
D. it would be a two tailed test with critical regions in both tails
Both A and B are correct.
None of the Above

2)

For the standardized test statistic approach to hypothesis testing, calculate the test statistic for testing the null hypothesis that the population mean is less than or equal to 9.33, given a sample mean of 13.70, a sample size of 33, and a population standard deviation of 3.41.


Round to two decimals.

math   Statistics-And-Probability   
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Answer #1

Question 1)  B. Ho: μ ≤ 17, Ha: μ > 17

Question 2)

Z test statistic formula
T-u Z =-
13.7-9.33 3.41
=7.36      
      

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