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1
The philosophy of statistical quality control is to
A)Inspect the quality into the product.
B)Make a product correct the first time.
C)Develop an adversarial relationship with the production department.
D)Shift costs from the manufacturing to the inspection department.
2
Dr. W. Edwards Deming is known for
A)introducing the idea of control charts.
B)being an early craftsman in American industry.
C)Developing the ideas of acceptance sampling.
D)Helping Japan develop an overall plan to retool their production after World War II.
3
Chance variation can be described as
A)Naturally occurring random variation.
B)Being completely eliminated through process improvement.
C)The result of a faulty production setup.
D)The basis of the Deming philosophy.
4
Which statement is true about Pareto Charts?
A)They were developed by Dr. Walter A. Shewhart of the Bell Laboratories in the 1920s.
B)They are designed to show the 20 percent of the factors that are associated with 80 percent of a product's defects.
C)They're included in Deming's 14 points.
D)They highlight chance variation.
5
Which of the following is an example of a variable control chart?
A)An X- bar chart for means.
B)A percent defective chart.
C)A c- bar chart.
D)A p-chart.
6
The Kimble Glass Company uses a manufacturing process to produce syringes. To monitor the process, Kimble developed a control chart for the outside diameter of a syringe. Beginning at 7 AM this morning hourly checks of the mean outside diameter showed that the process was in control. The 2 PM check showed a mean out side diameter that was above the UCL and an positive trend since 11 AM.
A)This is likely a random occurrence and production should be maintained.
B)This indicates that production is out of control. An adjustment should be made immediately.
C)This means that an error has been made in the calculation of the control limits.
D)This is an example of one of Deming's 14 points.
7
The A2 factor is
A)Based on a constant relationship between the range and the standard deviation.
B)Used in the mean chart.
C)Based on the size of the sample.
D)Used in the range chart.
8
A c-bar chart shows the
A)Change in the mean.
B)Change in the range.
C)Number of defects per unit.
D)Percent defective.
9
A percent defective chart (p-chart) is an example of
A)a variable control chart.
B)the number of defects per unit.
C)the variation in weight of the unit produced.
D)an attribute control chart.
10
In acceptance sampling, the c value indicates the
A)Number of units sampled.
B)Probability of acceptance.
C)Number of defects per unit.
D)Allowable number of defects.





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