Questions from Total Quality Management


Q: The times required for 50 trainees in an electronics course at ElecktronTech

The times required for 50 trainees in an electronics course at ElecktronTech to assemble a component used in a computer were measured. These are provided in the C09 Problem Data workbook. Construct a...

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Q: A process at Print wright, Inc.’s largest facility is

A process at Print wright, Inc.’s largest facility is used to make plastic gears for a computer printer. They have been receiving numerous complaints that the gears are jamming. The data provided in t...

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Q: Howie Fenton, a senior technology consultant for the National Association for

Howie Fenton, a senior technology consultant for the National Association for Printing Leadership, relates the following in a blog: I ran into Mary Schilling recently at an industry event and congratu...

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Q: The Thomas Jefferson Nickel was first produced in 1938. The United

The Thomas Jefferson Nickel was first produced in 1938. The United States Mint produces all U.S. coins at their Philadelphia, Pennsylvania, and Denver, Colorado, facilities. According to the U.S. Code...

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Q: Deuce Printing Company realized that they were losing customers and orders due

Deuce Printing Company realized that they were losing customers and orders due to various delays and errors. In order to get to the root cause of the problem, they decided to track problems that might...

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Q: In a Delta Widgets, Inc. process, the production rate

In a Delta Widgets, Inc. process, the production rate (parts/hour) was thought to affect the number of defectives found during a subsequent inspection. To test this theory, the production rate was var...

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Q: Never flounder Fish Company advertises that 99.4 percent of their

Never flounder Fish Company advertises that 99.4 percent of their fish were caught within the past 36 hours. How many dpmo does this claim represent? At what sigma level is this process operating?

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Q: Analysis of customer complaints at the Lauren Elizabeth Apparel Company revealed errors

Analysis of customer complaints at the Lauren Elizabeth Apparel Company revealed errors in five categories, such as billing, shipping, etc. Data can be found in the C09 Problem Data workbook. Construc...

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Q: Santucci’s Restaurant suspects that customer wait time is related to its customer

Santucci’s Restaurant suspects that customer wait time is related to its customer satisfaction ratings on surveys customers receive with their bill. It has data for 25 customers, available in the C09...

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Q: During one month, Invoke processed 25,000 invoices for Alpha

During one month, Invoke processed 25,000 invoices for Alpha Corp, 23,000 for Beta Corp, and 8,000 for Gamma Corp. Of these, 205 of the Alpha, 175 of the Beta, and 103 of the Gamma invoices had to be...

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