Questions from General Operations Management


Q: As part of the process for improving the quality of their cars

As part of the process for improving the quality of their cars, Toyota engineers have identified a potential improvement to the process that makes a washer that is used in the accelerator assembly....

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Q: The cost of performing inspection sampling moves inversely to the cost of

The cost of performing inspection sampling moves inversely to the cost of quality failures. We can reduce the cost of quality failures by increased levels of inspection, but that of course increases...

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Q: Discuss the trade-off between achieving a zero AQL (acceptable

Discuss the trade-off between achieving a zero AQL (acceptable quality level) and a positive AQL (e.g., an AQL of 2 percent).

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Q: The capability index allows for some drifting of the process mean.

The capability index allows for some drifting of the process mean. Discuss what this means in terms of product quality output.

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Q: In an agreement between a supplier and a customer, the supplier

In an agreement between a supplier and a customer, the supplier must ensure that all parts are within tolerance before shipment to the customer. What would be the effect on the cost of quality to the...

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Q: In the situation described in Question 2, what would be the

In the situation described in Question 2, what would be the effect on the cost of quality to the supplier? Situation in Question 2 In an agreement between a supplier and a customer, the supplier must...

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Q: Discuss the purposes and differences between the p-charts and X

Discuss the purposes and differences between the p-charts and X-bar and R charts.

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Q: Ten samples of 15 parts each were taken from an ongoing process

Ten samples of 15 parts each were taken from an ongoing process to establish a p-chart for control. The samples and the number of defectives in each are shown in the following table. a. Develop a p-...

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Q: A project to build a new bridge seems to be going

A project to build a new bridge seems to be going very well since the project is well ahead of schedule and costs seem to be running very low. A major milestone has been reached where the first two a...

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Q: A shirt manufacturer buys cloth by the 100-yard roll from

A shirt manufacturer buys cloth by the 100-yard roll from a supplier. For setting up a control chart to manage the irregularities (e.g., loose threads and tears), the following data were collected fro...

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