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The data to the right show the average retirement ages for a random sample of workers in Country A and a random sample of workers in Country B. Complete parts Country A Country B a and b. Sample mean 63.6 years 65.4 years Sample size 30 30 Population standard deviation 4.1 years 4.5 years a. Perform a hypothesis test using a = 0.01 to determine if the average retirement age in Country B is higher than it is in Country A. Let population 1 be the workers in Country A and population 2 be the workers in Country B. Identify the null and alternative hypotheses. Choose the correct answer below. Calculate the appropriate test statistic. The test statistic is – 0.09

July 20, 2019/in Questions Uploads /by admin

The data to the right show the average retirement ages for a random sample of workers in Country A and a random sample of workers in Country B. Complete parts Country A Country B a and b. Sample mean 63.6 years 65.4 years
Sample size 30 30
Population standard deviation 4.1 years 4.5 years a. Perform a hypothesis test using a = 0.01 to determine if the average retirement age in Country B is higher than it is in Country A. Let population 1 be the workers in Country A and population 2 be the workers in Country B. Identify the null and alternative hypotheses. Choose the correct answer below. Calculate the appropriate test statistic. The test statistic is – 0.09