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1

The cost of inspection may outweigh the benefits of 100 percent inspection.
A)True
B)False
2

Range and p-charts both deal with sampling for attributes.
A)True
B)False
3

As the sample size gets larger, the control limits move closer to the process mean.
A)True
B)False
4

The theoretical basis for a control chart is a sampling distribution.
A)True
B)False
5

If the process capability index has a value less than 1, the process is capable of turning out the product.
A)True
B)False
6

Which one of the following is not usually an advantage of centralized inspection?
A)Special testing equipment
B)Quick decisions
C)More favorable testing environment
D)All are advantages
E)None are advantages
7

What type of control chart would be used to monitor the number of defects in the output of a process for making rope?
A)x-bar chart.
B)p chart.
C)c chart.
D)R chart.
8

The number of runs up and down in the data set 8 9 12 10 11 12 is:
A)2
B)3
C)4
D)5
E)none of these.
9

An x-bar chart is best suited for this type of data:
A)Count.
B)Attribute.
C)Measurement.
D)None of these.
10

Process capability calculations take into account the process width and:
A)Process standard deviation.
B)Process dispersion.
C)Specifications.
D)Control limits.
11

Which of the following quality control sample statistics indicates a quality characteristic that is an attribute?
A)mean
B)variance
C)standard deviation
D)range
E)proportion
12

A point that is outside of the lower control limit on an R-chart:
A)is an indication that no cause of variation is present
B)should be ignored because it signifies better than average quality
C)should be investigated because an assignable cause of variation might be present
D)should be ignored unless another point is outside that limit
E)is impossible since the lower limit is always zero





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