Concept explainers
a)
To determine: The optimal level of inspection.
b)
To determine: The factors that guide the decision of inspection.
Introduction:
An optimal inspection is a situation in which the cost and effort exerted equals the benefits and results obtained from inspection.
c)
To determine: The main consideration in choosing between centralized inspection and on-site inspection.
Introduction:
An optimal inspection is a situation in which the cost and effort exerted equals the benefits and results obtained from inspection.
d)
To determine: The points that are potential candidates for inspection.
Introduction:
An optimal inspection is a situation in which the cost and effort exerted equals the benefits and results obtained from inspection.
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EBK OPERATIONS MANAGEMENT
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- Describewhat are the requirements of the well designed quality control system?arrow_forward2.49. County school buses are inspected every month for “defects.” In a recent monthly inspection, 27 worn or torn seats were found, 22 buses had dirty floors, there were 14 cases of exterior scratches and chipped paint, there were 8 cracked or broken windows, the engines on 4 buses had trouble starting or were not running smoothly, and 2 buses had faulty brakes. Develop a Pareto chart for the bus inspections and indicate the most significant quality-problem categories. What does this tell you about the limitations of applying Pareto chart analysis? How might these limitations be overcome in Pareto chart analysis?arrow_forwarda. Which of the following items are within tolerance?b. What is the percent accuracy by item?arrow_forward
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- For questions 1-3 choose from the following: x bar-chart, c-chart, p-chart, or none of the about. 1. A critical dimension of a certain part belonging to the product is its length. 2. Defects creeping into the order entry process in the marketing department. 3. Irregularities (oil stains, shop soil, loose ends, dark spots) per 10 metres of the product.arrow_forwardThe manager of Perrotti’s Pizza collects data concerning customer complaints about pizza delivery. Either the pizza arrives late, or the wrong pizza is delivered. Problem Frequency Topping is stuck to box lid 17 Pizza arrives late 35 Wrong topping or combination 9 Wrong style of crust 6 Wrong size 4 Pizza is partially eaten 3 Pizza never arrives 6 a. Use a Pareto chart to identify the “vital few” delivery problems. Comment on potential root causes of these problems and identify any especially egregious quality failures.b. The manager of Perrotti’s Pizza is attempting to understand the root causes of late pizza delivery and has asked each driver to keep a log of specific difficulties that create late deliveries. After one week, the logs included the following entries:delivery vehicle broke down, couldn’t make it across town to deliver second pizza in time, couldn’t deliver four pizzas to four different customers in time, kitchen was late in producing order, got…arrow_forwardA quality circle holds a brainstorming session and attempts to identify the factors responsible for flaws in a product. Which tool do you suggest they use to organize their findings? a Ishikawa diagram b. Pareto chart c. process chart d. control chartsarrow_forward
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