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A critical dimension of the service quality of a call center is the wait time of a caller to get to a sales representative. Periodically, random samples of three customer calls are measured for time. The results of the last four samples are in the following table: Time (sec) Sample 1 2 3 1 501 490 488 2 509 498 487 3 503 492 496 4 497 507 487 Click the icon to view the table of factors for calculating three-sigma limits for the x- -chart and R-chart. Factors for calculating three-sigma limits for the x-- chart and R-chart Size of Sample(n) Factor for UCL and LCL for x—chart (A2) Factor for LCL forR-Chart (D3) Factor for UCL forR-Chart (D4) 2 1.888 0 3.267 3 1.023 0 2.575 4 0.729 0 2.282 5 0.577 0 2.115 6 0.483 0 2.004 7 0.419 0.076 1.924 8 0.373 0.136 1.864 9 0.337 0.184 1.816 10 0.308 0.223 1.777 a. Assuming that management is willing to use three-sigma control limits, and using only the historical information contained in the four samples, show that the call center access time is in statistical control. Since all the sample ranges are between UCLr =( )seconds and LCLr =( )seconds and all of the sample means are between UCL –x = ( ) seconds and LCL x- = ( ) seconds, the call center access time is in statistical control. (Enter your responses rounded to two decimal places.)
What were the barriers or obstacles were encountered (e.g. internal politics, economics, resource limitations, time constraints, etc.). What is the potential impact on the program of technology, legislation, etc on the services provided on the progr..
Aspen Plastics produces plastic bottles to customer order. The quality inspector randomly selects four bottles from the bottle machine and measures the outside diameter of the bottle? neck, a critical quality dimension that determines whether the bot..
Describe the four options highlighted in the case in terms of their feasibility, acceptability and vulnerability.
Determine the upper control limit (UCL) and lower control limit (LCL) for an R-chart if twenty samples of the subgroup size 3 (n=3) were collected for a variable measurement and the mean of the smaple ranges equals 4.4
From a producer's point of view, a greater number of levels in a supply chain means less control and greater channel complexity. Which of the following is the first step in strategic planning?
According to the textbook, the current world economy is increasingly becoming integrated and interdependent; as a result, the relationship between business and society is becoming more complex. Use the Internet to research Apple. Use a tablet, sma..
Develop a production plan and calculate the annual cost for a firm whose demand forecast is fall, 10,000; winter, 8,000; spring, 7,000; summer, 12,000.
Clearly, both internal and external recruiting offer significant benefits and drawbacks, although many students approach this topic with strong, preconceived notions about which is “better.” Explain thoroughly whether you believe internal or external..
paper that describes the impact of globalization on U.S. businesses. In your analysis, please include information about the impact of at least four economic drivers that might impact globalization.
calculate the start and finish times for each activity and determine the minimum number of weeks for completing the project Identify slack in tghe activities not on the project critical path
Identify disruption and strategies for dealing and responding to disruption. How do we create value through IS? What are Strategic Information Systems?
This is a pretty big question. Consider all the work that first needs to be completed BEFORE a schedule can be constructed. What you are going to do needs to be defined.
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