Questions from Total Quality Management


Q: Consider Exercise 12-46. With the assignment of factors,

Consider Exercise 12-46. With the assignment of factors, A, B, C, and D to columns 1, 2, 3, and 4, respectively, of an L9 orthogonal array, the output is as follows for another replication of the nine...

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Q: A travel agency is attempting to enter a market where several competitors

A travel agency is attempting to enter a market where several competitors currently exist. What are the various customer needs that they should address? How will quality be measured? As the company st...

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Q: Data from a survey of customers are on an ordinal scale (

Data from a survey of customers are on an ordinal scale (1–7) regarding satisfaction with the services provided in a bank by three tellers. If we wish to determine if the degree of customer satisfacti...

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Q: In a food processing plant, four design parameters, A,

In a food processing plant, four design parameters, A, B, C, and D, each at three levels, have been identified as having an effect on the moisture content in packaged meat. Three noise factors, E, F,...

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Q: Consider Exercise 12-48. The design factors are A,

Consider Exercise 12-48. The design factors are A, B, C, and D, each at three levels. These are assigned to an orthogonal array (inner array) with the factors A, B, C, and D assigned to columns 1, 2,...

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Q: In a textile processing plant the quality of the output fabric is

In a textile processing plant the quality of the output fabric is believed to be influenced by four factors (A, B, C, and D), each of which can be controlled at three levels. The fabric is classified...

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Q: Consider Exercise 12-50. Four factors (A, B

Consider Exercise 12-50. Four factors (A, B, C, and D), each at three levels, are controlled in an experiment using an L9 orthogonal array. The output quality is classified as acceptable or unacceptab...

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Q: Refer to Exercise 13-9 and the regression model of time

Refer to Exercise 13-9 and the regression model of time to fulfil an order based on order value. Data from Exercise 13-9: A retail company has information on the time taken (in days) to fulfil an ord...

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Q: Refer to Exercise 13-9 and the corresponding data shown in

Refer to Exercise 13-9 and the corresponding data shown in Table 13-8. (a) Based on a scatterplot of order fulfillment time versus order value, you decide to fit a quadratic model in order value. What...

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Q: Refer to the data in Table 13-8 on order fulfilment

Refer to the data in Table 13-8 on order fulfilment time. (a) You decide to develop a regression model using order value and the number of products in the order as predictors. Find the model equation....

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