SOLUTION: As part of a study of corporate employees, the director of human resources for PNC, Inc. wants to compare the distance traveled to work by employees at its office in downtown Cinci

Question 630770: As part of a study of corporate employees, the director of human resources for PNC, Inc. wants to compare the distance traveled to work by employees at its office in downtown Cincinnati with the distance for those in downtown Pittsburgh. A sample of 35 Cincinnati employees showed they travel a mean of 370 miles per month. A sample of 40 Pittsburgh employees showed they travel a mean of 380 miles per month. The population standard deviation for the Cincinnati and Pittsburgh employees are 30 and 26 miles, respectively. At the .05 significance level, is there a difference in the mean number of miles traveled per month between Cincinnati and Pittsburgh employees?
(1)Is this a one-tailed or a two-tailed test?
(2)State the decision rule. (Negative amounts should be indicated by a minus sign. Round your answers to 2 decimal places.)
The decision rule is to reject H0:�C = �P if z is (Click to select)outside inside the interval (, )
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
Why so much dead space? The question is long enough with out ll the blank spaces.
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