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
Answers: 2
Mathematics, 21.06.2019 21:50, amakayla57
What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180ยฐ reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality
Answers: 3
Mathematics, 21.06.2019 23:00, annnoe5128abc
Asporting good store is offering 30 percent off of the original price(x) of football cleats. the discount will be reduced by an another $7 before sales tax.
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A company maintains three offices in a certain region, each staffed by two employees. Information co...
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