If the probability of a unit being conforming or nonconforming, depends on the previous unit being conforming or nonconforming, can p-chart be applied on the process?

This depends on the sample size

This depends on the operator changes

For narrower limits of control, which of this is true?

Chart becomes more sensitive to small shift but gives accurate alarms

Chart becomes insensitive to small shift

Chart becomes more sensitive to small shift but gives false alarms

Chart becomes more sensitive to small shift but gives accurate alarms

Explore topic-wise MCQs in Statistical Quality Control.

This section includes 9 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 points plotting below the lower control limit of p-chart do not always represent the out-of-control process or an assignable cause.
A.	True
B.	False
Answer» B. False

Discussion

2.	Even if 100% inspection is done, control chart can have a variable sample size.
A.	True
B.	False
Answer» B. False

Discussion

3.	For a control chart data having the average sample fraction nonconforming= 0.2313 and the sample size=50, what will be the value of the UCL for the np control chart?
A.	2.62
B.	20.510
C.	11.56
D.	11.892
Answer» C. 11.56

Discussion

4.	If the p=0.2313 for a np chart, and the number of items in a sample are 50, what will be the center line value of the np chart?
A.	10.34
B.	11.56
C.	10.11
D.	13.21
Answer» C. 10.11

Discussion

5.	The center line of the np-control chart represents the value equal to ____
A.	p
B.	<span style="text-decoration:overline;">p</span>
C.	np
D.	1-np
Answer» D. 1-np

Discussion

6.	The number nonconforming chart is also called ___
A.	np-chart
B.	p-chart
C.	c-chart
D.	s-chart
Answer» B. p-chart

Discussion

7.	If the probability of a unit being conforming or nonconforming, depends on the previous unit being conforming or nonconforming, can p-chart be applied on the process?
A.	Yes
B.	No
C.	This depends on the sample size
D.	This depends on the operator changes
Answer» C. This depends on the sample size

Discussion

8.	For narrower limits of control, which of this is true?
A.	Chart becomes insensitive to small shift
B.	Chart becomes more sensitive to small shift but gives false alarms
C.	Chart becomes more sensitive to small shift but gives accurate alarms
D.	Chart gives no alarms at all
Answer» C. Chart becomes more sensitive to small shift but gives accurate alarms

Discussion

9.	For what value of sample size, will the p-chart will have a LCL value higher than 0 when p=0.05 and 3 sigma limits are used?
A.	n>121
B.	n>100
C.	n>125
D.	n>171
Answer» E.

Discussion

Explore topic-wise MCQs in Statistical Quality Control.

The points plotting below the lower control limit of p-chart do not always represent the out-of-control process or an assignable cause.

Even if 100% inspection is done, control chart can have a variable sample size.

For a control chart data having the average sample fraction nonconforming= 0.2313 and the sample size=50, what will be the value of the UCL for the np control chart?

If the p=0.2313 for a np chart, and the number of items in a sample are 50, what will be the center line value of the np chart?

The center line of the np-control chart represents the value equal to ____

The number nonconforming chart is also called ___

If the probability of a unit being conforming or nonconforming, depends on the previous unit being conforming or nonconforming, can p-chart be applied on the process?

For narrower limits of control, which of this is true?

For what value of sample size, will the p-chart will have a LCL value higher than 0 when p=0.05 and 3 sigma limits are used?