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Quiz



This activity contains 15 questions.

Question 1.
Special causes of variability can also be called __________.

 
End of Question 1


Question 2.
A __________ process is in a state of statistical control and has only chance or common causes of variability operating on it.

 
End of Question 2


Question 3.
A process is said to be out of statistical control if ____________ are operating on it.

 
End of Question 3


Question 4.
6m1q4_1.gif

What type of error should be labeled in block D shown above?

 
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Question 5.
Which of the following is not an assumption for use of the ch06-05a.gif chart?

 
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Question 6.
ch06-01.gif

Determine the type of graphical pattern represented by the above figure.

 
End of Question 6


Question 7.
When using number nonconforming charts, the formula for the lower control limit is:

 
End of Question 7


Question 8.
Proportion nonconforming charts, or p charts, differ from number nonconforming charts, or ch06-08a.gif charts in that they employ the _______________ items in samples.

 
End of Question 8


Question 9.
Which of the following events indicate that a process is out of control?

 
End of Question 9


Question 10.
If the number of conforming or acceptable items is counted instead of the number nonconforming, the chart is referred to as a:

 
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Question 11.
The following data has been collected for the number of defective parts coming off an assembly line.

6m1q11_1.gif

Calculate the value of p.

 
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Question 12.
The following data has been collected for the number of defective items coming off an assembly line.

6m1q12_1.gif

Determine the value of UCL.

 
End of Question 12


Question 13.
The following data has been collected for the number of defective parts coming off of an assembly line.

6m1q13_1.gif

What is the lower control limit for the proportion of nonconforming items?

 
End of Question 13


Question 14.
The following data has been collected for the number of defective parts coming off of an assembly line.

6m1q14_1.gif

How many points fall outside the upper or lower control limits?

 
End of Question 14


Question 15.
The formula for the standard error of a proportion for a subgroup is:

 
End of Question 15





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