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Multiple Choice Quiz
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1
If data had been collected and you wanted to get an idea of how the data were distributed, you would use a:
A)Run chart
B)Pareto chart
C)Cause and effect diagram
D)Histogram
2
If you were interested in seeing how two variables related to each other, you would use a:
A)Check sheet
B)Scatter diagram
C)Control chart
D)Pareto chart
3
The purpose of a statistical process control chart is to:
A)Determine the cause of defects
B)Identify the source of statistical fluctuation
C)Discriminate between random fluctuation and fluctuation with assignable cause
D)Prevent processes from deviating
4
A capable process is one whose:
A)Customer specification limits are equal to the control limits
B)Customer specification limits are three standard deviations inside of the control limits
C)Control limits have been established by the customer specification limits
D)Control limits are inside of the customer specification limits
5
If one was interested in finding out if a process was capable when the mean of the process was allowed to shift, one would use the:
A)Cpk
B)Cp
C)R-chart
D)C-chart
6
Which of the following tools are always used together?
A)Histogram and Pareto chart
B)X-bar and R-chart
C)C-chart and P-chart
D)Control chart and run chart
7
Six sigma quality means that:
A)Twelve standard deviations are inside of the customer's specifications.
B)The customer's specifications span six standard deviations.
C)The odds of a defect are one in six.
D)X-bar charts cannot be used.
8
A cause and effect chart would contribute to accomplishing which step in the QI story?
A)Standardization
B)Analysis of Causes
C)Corrective Action/proposed solution
D)Problem identification and validation
9
One approach to increasing the quality level of a complex product would be to:
A)Inspect more carefully
B)Decrease the number of components
C)Increase the variability of the process
D)Establish norms that are below six sigma
10
A recovery plan should:
A)Strive to make the customer apologize for his behavior
B)Eliminate employees who cause problems
C)Identify the root cause of the problem
D)Convince the customer to return





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