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The time needed for checking in at a hotel is to be investigated. Historically, the process has had a standard deviation equal to .146. The means of 39 samples of n = 19 are Sample Mean Sample Mean Sample Mean Sample Mean 1 3.86 11 3.88 21 3.84 31 3.88 2 3.90 12 3.86 22 3.82 32 3.76 3 3.83 13 3.88 23 3.89 33 3.83 4 3.81 14 3.81 24 3.86 34 3.77 5 3.84 15 3.83 25 3.88 35 3.86 6 3.83 16 3.86 26 3.90 36 3.80 7 3.87 17 3.82 27 3.81 37 3.84 8 3.88 18 3.86 28 3.86 38 3.79 9 3.84 19 3.84 29 3.98 39 3.85 10 3.80 20 3.87 30 3.96 a-1.Construct an x?? x ¯ -chart for this process with three-sigma limits. (Do not round intermediate calculations. Round your answers to 2 decimal places.) UCL LCL a-2. Is the process in control? Yes No b. Analyze the data using a median run test and an up/down run test. What can you conclude? Test Conclusion Median Up/Down.
and business around the world. Select a business leader you admire. Use your textbook, the University online library resources, and the Internet to select a leader and then to research the leader's career.
Burrito king would like to know the expected average time in the system, the average line length (in cars) and the average number of cars in the system (both in line and at the window)
what are the advantages and disadvantages of yield management?
Explain the main sources of finance for international trade and investment. Distinguish between short-term and long-term finance sources.
BACK BAY UNIVERSITY Back Bay University is a large private university with a distinguished faculty. Enrollment at Back Bay currently is 12,000 students, of whom 6,200 are enrolled in the university’s five outstanding graduate schools. Ms. Sharon Davi..
The Judy Gray Income Tax Service is analyzing its customer service operations during the month prior to the April filing deadline. On the basis of past data it has been estimated that customers arrive according to a Poisson process with an average in..
A computer repair service has a design capacity of 80 repairs per day, an effective capacity of 64 repairs per day, and an actual output of 62 repairs per day. The manager would like to increase the number of repairs per day. Which of the following f..
During your first week, you reviewed past workers' compensation claim reports and the organization's OSHA 300 logs. During your review, you note that workers in the final assembly area have suffered 8 back injuries over the past two years. All the..
Elucidate how many customers, on average, are waiting in line in front of each service desk. Elucidate how much time does a customer spend at the service desk (waiting plus service time).
what is the initial net cash flow if the new machine is purchased and the old one is replaced?
Discuss the differences between for-profit and not-for-profit healthcare organizations.
Define and discuss the four ongoing challenges that characterize the current business landscape? What is the potential impact of these challenges on business?
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