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The managers of a company are worried about the morale of their employees.
The managers of a company are worried about the morale of their employees. In order to determine if a problem in this area exists, they decide to evaluate the attitudes of their employees with a standardized test. They select the Fortunato test of job satisfaction, which has a known standard deviation of 24 points.
Due to financial limitations, the managers decide to take a sample of 45 employees. This yields a mean score of 88.0 points. A 90% confidence interval would go from ________ to ________. 7)
How many tissues should the Kimberly Clark Corporation package of Kleenex contain? Researchers determined that 60 tissues is the mean number of tissues used during a cold. Suppose a random sample of 100 Kleenex users yielded the following data on the number of tissues used during a cold: X= 52, S= 22. Give the null and alternative hypotheses to determine if the number of tissues used during a cold is less than 60.
How many tissues should the Kimberly Clark Corporation package of Kleenex contain? Researchers determined that 60 tissues is the mean number of tissues used during a cold. Suppose a random sample of 100 Kleenex users yielded the following data on the number of tissues used during a cold: X= 52, S= 22. Suppose the test statistic does fall in the rejection region at ΅ = 0.05.
You have created a 95% confidence interval for µ with the result 10 Kµ K 15. What decision will you make if you test H0: µ= 16 versus H1: µJ 16 at ΅ = 0.05?
You have created a 95% confidence interval for µ with the result 10 Kµ K 15. What decision will you make if we test H0: µ= 16 versus H1: µJ 16 at ΅ = 0.10?
