Questions from Total Quality Management

Q: The number of processing errors per 100 purchase orders is monitored by

The number of processing errors per 100 purchase orders is monitored by a company with the objective of eliminating such errors totally. Table 8-26 shows samples that were selected randomly from all p...

Q: The number of dietary errors is found from a random sample of

The number of dietary errors is found from a random sample of 100 trays chosen on a daily basis in a health care facility. The data for 25 such samples are shown in Table 8-27. (a) Construct an approp...

Q: A building contractor subcontracts to a local merchant a job involving hanging

A building contractor subcontracts to a local merchant a job involving hanging wallpaper. To have an idea of the quality level of the merchant’s work, the contractor randomly selects 300 m2 and counts...

Q: The number of imperfections in bond paper produced by a paper mill

The number of imperfections in bond paper produced by a paper mill is observed over a period of several days. Table 8-28 shows the area inspected and the number of imperfections for 25 samples. Constr...

Q: Refer to Exercise 8-29. If we want to control

Refer to Exercise 8-29. If we want to control the number of imperfections per 100 m2, how would this affect the control chart? What would the control limits be? In terms of decision making, would ther...

Q: The director of a pharmacy department is interested in benchmarking the level

The director of a pharmacy department is interested in benchmarking the level of operations in the unit. The director has defined medication errors as being any one of the following: wrong medication;...

Q: Describe the role of the average run length (ARL) in

Describe the role of the average run length (ARL) in the selection of control chart parameters. Explain how ARL influences sample size.

Q: Nonconformities in automobiles fall into three categories: serious, major,

Nonconformities in automobiles fall into three categories: serious, major, and minor. Twenty-five samples of five automobiles are chosen, and the total number of nonconformities in each category is re...

Q: Refer to Exercise 8-32. If the weighting systems were

Refer to Exercise 8-32. If the weighting systems were different (i.e., 10, 5, and 1), how would the centreline and the control limits change for the U-chart? Discuss changes, if any, in the inferences...

Q: The Joint Commission on Accreditation of Healthcare Organizations (JCAHO) requires

The Joint Commission on Accreditation of Healthcare Organizations (JCAHO) requires an accounting of significant medication errors. Data collected over the last 25 months, shown in Table 8-31, indicate...