Exam 7: Inventory Management

The upper limit and lower specifications for a service are 5.0 min. and 3.0 min., respectively. The process standard deviation is 0.4 min. and the process average is 4.0 min. What conclusion can be drawn?

Describe and explain the steps necessary for determining the capability of a process. List all data elements that are required for this purpose.

In applying quality control charts, assignable causes of variation are evident when a sample statistic falls outside the UCL and LCL.

The ______ is a cycle used by firms actively engaged in continuous improvement to train their work teams in problem solving.

A product is composed of three subsystems that have reliabilities of .999, .997, and .985. What is the overall reliability of this product?

Table $7.1$ Factors for Calculating Three- Sigma Limits for the $\bar { X }$ - chart and $R$ - chart -A milling operation has historically produced an average thickness of 0.005 inch with an average range of 0.0015 inch. Currently, the first three items from each batch of 20 are inspected. Use Table 1.. What is the value of LCL $\bar { X }$ ) if the sample size is increased to 6?

A company is interested in monitoring the average time it takes to serve its customers. An appropriate control chart would be

Reliability is the probability that the product will be functional when used.

When is it advantageous to use sampling rather than complete inspection?

______ is an approach that involves combining engineering and statistical methods to reduce costs and improve quality by optimizing product design and manufacturing processes.

The UCL and LCL for an X- chart are 100 ounces and 95 ounces, respectively. The sample size is 5. The inspector looks at the very next unit and finds that it is 108 ounces. What can you conclude? Why?

External customers are those who ______ the product or service.

Two measures used to determine the capability of a process are ______ and ______ .

Which of the following statements is TRUE?

Which one of the following statements about quality control is TRUE?

Which of the following would be a "common" cause of variation?

Which of the following is NOT a variable measure of quality?

People often evaluate the quality of a product or service on the basis of ______ , such as atmosphere, image, or aesthetics.

Quality function development (QFD) is a key to improving quality through TQM because

Table $7.1$ Factors for Calculating Three- Sigma Limits for the $\overline { \bar { X } }$ - chart and $R$ -chart -A milling operation has historically produced an average thickness of 0.005 inch with an average range of 0.0015 inch. Currently, the first three items from each batch of 20 are inspected. Use Table 1.. The quality control manager has recommended inspecting the first 3 and the last 3 items. (a sample of 6) from each batch of 20. What is the value of the