25. In general, sample sizes for attribute control charts are a. smaller than fo
ID: 386862 • Letter: 2
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25. In general, sample sizes for attribute control charts are a. smaller than for variable control charts b. larger than for variable control charts C. the same as for variable control charts d. larger or smaller than variable control charts As operations manager for Earth, what decision would you make, and why, to ensure the kong term survivalbility of the planet? 26. 27. The Startrac Coffee Company is a national coffechouse chain who contracts with a Canadian supplier for paper cups, lids, and sleeves. Management has found that the paper cups sometimes leak around the lid. The leaks can be caused by several factors including defective manufacturing. damage during shipping and handling, and even how employees. The company sampled 1000 filled cups each week for 20 wecks from a number of different randomly selected store locations, with the following number of cups that leak Defective Sample Defective 78 116 49 51 37 123 71 87 43 91 12 14 Page 5Explanation / Answer
Please find below answers to four questions #19 , #20 , #23 and #24 :
Answer to question 19 :
Benchmark is standard, or a set of standards, used as a point of reference for evaluating performance or level of quality. Benchmarks may be drawn from a firm's own experience, from the experience of other firms in the industry, or from legal requirements such as environmental regulations.
A Benchmark is the best level of quality achievement in one company that others seek to match or exceed
Answer to question 20 :
A fishbone diagram, also called a cause and effect diagram or Ishikawa diagram, is a visualization tool for categorizing the potential causes of a problem in order to identify its root causes. it is a simple root cause analysis tool that is used for brainstorming issues and causes of particular problems and can and often is used in conjunction with the 5 Whys tool.
Answer : B ) Fishbone diagram
Answer to question 23 :
A c-chart is an attributes control chart used with data collected in subgroups that are the same size. C-charts show how the process, measured by the number of nonconformities per item or group of items, changes over time. Nonconformities are defects or occurrences found in the sampled subgroup.
Answer : d) C Chart
Answer to question 24 :
Upper control limit = p + 3 x Square root ( p x ( 1- p)/n) = 0.15 + 3 x square root ( 0.15 x 0.85 / 100) = 0.15 + 3 x 0.0357 = 0.15 + 0.1071 = 0.2571
Lower control Limit = p - 3 x Square root ( p x ( 1- p) / n ) = 0.15 – 3 x square root ( 0.15 x 0.85/100) = 0.15 – 3 x 0.0357 = 0.15 – 0.1071 = 0.0429
Answer : b ) UCL = 0.2571 , LCL = 0.043
A Benchmark is the best level of quality achievement in one company that others seek to match or exceed
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