This question bank verified by Studydeets

Questions Bank

All Questions
Filter by:
Question 1
Free
True/False

Approving the effort that occurs during the production process is known as acceptance sampling.

Choose correct answer/s

True

False

Check answer
Question 2
Free
True/False

Statistical process control is the measurement of rejects in the final product.

Choose correct answer/s

True

False

Check answer
Question 3
Free
True/False

The traditional view is that the optimum level of inspection occurs when we catch at least 98.6 percent of the defects.

Choose correct answer/s

True

False

Check answer
Question 4
Free
True/False

The traditional view is that the optimum level of inspection minimizes the sum of inspection costs and the cost of passing defectives.

Choose correct answer/s

True

False

Check answer
Question 5
Free
True/False

Processes that are in control eliminate variations.

Choose correct answer/s

True

False

Check answer
Question 6
True/False

High-cost, low-volume items often require careful inspection since we may have large costs associated with passing defectives.

Choose correct answer/s
True
False
To unlock the question
Question 7
True/False

Low-cost, high-volume items often require more intensive inspection than other types of items.

Choose correct answer/s
True
False
To unlock the question
Question 8
True/False

A lower control limit must by definition be a value less than an upper control limit.

Choose correct answer/s
True
False
To unlock the question
Question 9
True/False

Attributes need to be measured, whereas variable data can be counted.

Choose correct answer/s
True
False
To unlock the question
Question 10
True/False

The amount of inspection we choose can range from no inspection at all to inspecting each item numerous times.

Choose correct answer/s
True
False
To unlock the question
Question 11
True/False

The amount of inspection needed is governed by the costs of inspection and the expected costs of passing defective items.

Choose correct answer/s
True
False
To unlock the question
Question 12
True/False

The purpose of statistical process control is to ensure that historical output is random.

Choose correct answer/s
True
False
To unlock the question
Question 13
True/False

A process that exhibits random variability would be judged to be out of control.

Choose correct answer/s
True
False
To unlock the question
Question 14
True/False

If a point on a control chart falls outside one of the control limits, this suggests that the process output is nonrandom and should be investigated.

Choose correct answer/s
True
False
To unlock the question
Question 15
True/False

An x-bar control chart can only be valid if the underlying population it measures is a normal distribution.

Choose correct answer/s
True
False
To unlock the question
Question 16
True/False

Concluding that a process is out of control when it is not is known as a Type I error.

Choose correct answer/s
True
False
To unlock the question
Question 17
True/False

An R value of zero (on a range chart) means that the process must be in control since all sample values are equal.

Choose correct answer/s
True
False
To unlock the question
Question 18
True/False

A p-chart is used to monitor the fraction of defectives in the output of a process.

Choose correct answer/s
True
False
To unlock the question
Question 19
True/False

A c-chart is used to monitor the total number of defectives in the output of a process.

Choose correct answer/s
True
False
To unlock the question
Question 20
True/False

A c-chart is used to monitor the number of defects per unit for process output.

Choose correct answer/s
True
False
To unlock the question