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Mathematics, 07.06.2020 03:00 blackx18

A company maintains three offices in a certain region, each staffed by two employees. Information concerning yearly salaries (1000s of dollars) is as follows: Office 1 1 2 2 3 3
Employee 1 2 3 4 5 6
Salary 29.7 33.6 30.2 33.6 25.8 29.7
(a) Suppose two of these employees are randomly selected from among the six (without replacement). Determine the sampling distribution of the sample mean salary Xbar.
(b) Suppose one of the three offices is randomly selected. Let X1 and X2 denote the salaries of the two employees. Determine the sampling distribution of Xbar(c) How does E(Xbar) from parts (a) and (b) compare to the population mean salary

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A company maintains three offices in a certain region, each staffed by two employees. Information co...
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