Historically the average time to service a customer complaint has been 3 days

Historically the average time to service a customer

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114) Historically, the average time to service a customer complaint has been 3 days and the standard deviation has been 0.50 day. Management would like to specify the control limits for an xchart with a sample size of 10- and 3- sigma limits. The LCL for the chart would be: A) less than 2.40. B) greater than 2.40 but less than or equal to 2.45. C) greater than 2.45 but less than or equal to 2.50. D) greater than 2.50. Answer: D Reference: Statistical Process Control Difficulty: Moderate Keywords: SPC, lower control limit, x-bar chart Learning Outcome: Apply basic statistical process control (SPC) methods. AACSB: Analytic skills 115) Historically, the average time to service a customer complaint has been 3 days and the standard deviation has been 0.50 day. Management would like to specify the control limits for an xchart with a sample size of 10- and 3- sigma limits. Suppose the next sample of 10 yielded the following result: 3.2, 2.1, 3.6, 2.8, 3.9, 3.5, 2.7, 4.1, 2.6, and 3.3. What conclusion can be drawn? Verspreiden niet toegestaan | Gedownload door Yuemin Li ([email protected])lOMoARcPSD
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5-29 116) Historically, the average time to service a customer complaint has been 3 days and the standard deviation has been 0.50 day. Management would like to specify the control limits for an xchart with a sample size of 10 and 3- sigma limits. The UCL for the chart would be: Table 5.2117) Using Table 5.2, the sample values represent service times in minutes. For the R-chart, what is the value of UCLR?
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  • Spring '16
  • Peter Lou
  • Management, Control Chart, Process capability

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