Explore topic-wise MCQs in Statistical Quality Control.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Statistical Quality Control knowledge and support exam preparation. Choose a topic below to get started.

1.

The gap between the UCL and LCL is double the gap between either one of them and the Center line, for the standardized chart.

A. True
B. False
Answer» B. False
2.

We cannot analyze abnormal runs or patterns directly, on p-chart with variable sample size.

A. True
B. False
Answer» B. False
3.

If type II error probability for a process is 0.8594, its ARL will be ____

A. 8
B. 1
C. 3
D. 7
Answer» E.
4.

If a process is out of control, what will be its ARL for the fraction nonconforming chart?

A. (ARL_1= frac{1}{1- } )
B. (ARL_1= frac{1- }{1+ } )
C. (ARL_1= frac{1}{1+ } )
D. (ARL_1= frac{1+ }{1- } )
Answer» B. (ARL_1= frac{1- }{1+ } )
5.

If the process is in control, the ARL for the fraction nonconforming chart, is calculated by __________

A. (ARL_0= frac{1}{ alpha} )
B. (ARL_0= frac{1}{1- alpha} )
C. (ARL_0= frac{ beta}{ alpha} )
D. (ARL_0= frac{1}{ alpha beta} )
Answer» B. (ARL_0= frac{1}{1- alpha} )
6.

ARL (Average run length) for the fraction nonconforming control chart, is calculated by ___________

A. ARl=1/
B. ARL= /
C. ARL=1/ n
D. ARL= ( frac{1}{probability , of ,sample ,point , plots , out , of , control} )
Answer» E.
7.

An OC curve is a display of ___________

A. Error against defectives in a process output over a limited period of time
B. Error against time
C. Error against the process fraction nonconforming
D. Fraction nonconforming against Error
Answer» D. Fraction nonconforming against Error
8.

A type II error is also called a ___________

A. Error
B. Error
C. Error
D. Error
Answer» D. Error
9.

To deal with the variable sample size, the standardized chart is used, which has its upper limit at ___________

A. 3
B. -3
C. 1
D. 0
Answer» B. -3
10.

The standardized control chart has the center line at ____________

A. 1
B. 2
C. Zero
D. -1
Answer» D. -1