Question 1

A negative lower control limt for a P chart should be truncated to zero.

Accepted Answer

A) True 
 B)False  True

Question 2

A(n) _____ chart is used to monitor the percent defective in each sample.

Accepted Answer

P

Question 3

A reasonable number of samples collected for a control chart would be?

Accepted Answer

A)   1
B)   5
C)   10
D)   25 D

Question 4

For an x-bar chart, R is defined as?

Accepted Answer

A)   Sample range
B)   Sample mean
C)   Mean of sample means
D)   Mean of sample ranges

Question 5

After initial control chart construction, the first step to continue statistical monitoring of a process is?

Accepted Answer

A)   Collect samples of size four or five periodically
B)   Plot sample means and ranges on the control charts
C)   If the process trends out of control, investigate the causes and eliminate assignable variations
D)   Ensuring that the process is in control before beginning statistical monitoring

Question 6

A(n) _____ chart is used to monitor the count of number of defects per unit of output.

Accepted Answer

The answer of A(n) _____ chart is used to monitor...

Question 7

When a shipment is received from suppliers and samples are taken and compared to a quality acceptance standard, this is referred to as?

Accepted Answer

A)   Statistical quality control
B)   Acceptance sampling
C)   Process capability
D)   Project management

Question 8

Graphic representations of process performance over time are referred to as?

Accepted Answer

A)   Control charts
B)   Gantt charts
C)   Pareto charts
D)   Histograms

Question 9

Broadly speaking, SPC and SQC are considered to be similar concepts.

Accepted Answer

A) True 
 B)False

Question 10

A process with a mean output of 14 and a standard deviation of output of 1 has been provided specification limits of 15 and 12. What is the Cpk value for this process?

Accepted Answer

A)   1.00
B)   0.67
C)   0.33
D)   Not enough information to answer this question

Question 11

Acceptance sampling relies on the inspection of every unit in a shipment.

Accepted Answer

A) True 
 B)False

Question 12

An x-bar chart in which all points are within the control limits is likely?

Accepted Answer

A)   In control
B)   Out of control
C)   Both in control and out of control
D)   Neither out of control nor in control

Question 13

Which chart is used to track central tendency of sample means?

Accepted Answer

A)   R
B)   x-bar
C)   p
D)   c

Question 14

For an x-bar chart, R-bar is defined as?

Accepted Answer

A)   Sample range
B)   Sample mean
C)   Mean of sample means
D)   Mean of sample ranges

Question 15

Data that are continuous such as weight and time are what type of data?

Accepted Answer

A)   Variable data
B)   Attribute data
C)   Both variable and attribute data
D)   Neither variable nor attribute data

Question 16

A process with a mean output of 14 and a standard deviation of output of 1 has been provided specification limits of 15 and 12. Which statement below is most appropriate for this process?

Accepted Answer

A)   Process is not capable
B)   Process is capable
C)   Process is barely capable
D)   Not enough information to answer this question

Question 17

Which two charts are used together?

Accepted Answer

A)   R and x-bar
B)   p and c
C)   p and R
D)   x-bar and c

Question 18

________ variation is due to causes that can be corrected or fixed.

Accepted Answer

The answer of ________ variation is due to causes that...

Question 19

For an x-bar chart, x-double bar is defined as?

Accepted Answer

A)   Sample range
B)   Sample mean
C)   Mean of sample means
D)   Mean of sample ranges

Question 20

How does process capability analysis differ from the use of statistical process control charts?

Accepted Answer

The answer of How does process capability analysis differ from...

Exam 13: Supplement: Statistical Quality Control

A negative lower control limt for a P chart should be truncated to zero.

A(n) _____ chart is used to monitor the percent defective in each sample.

A reasonable number of samples collected for a control chart would be?

For an x-bar chart, R is defined as?

After initial control chart construction, the first step to continue statistical monitoring of a process is?

A(n) _____ chart is used to monitor the count of number of defects per unit of output.

When a shipment is received from suppliers and samples are taken and compared to a quality acceptance standard, this is referred to as?

Graphic representations of process performance over time are referred to as?

Broadly speaking, SPC and SQC are considered to be similar concepts.

A process with a mean output of 14 and a standard deviation of output of 1 has been provided specification limits of 15 and 12. What is the Cpk value for this process?

Acceptance sampling relies on the inspection of every unit in a shipment.

An x-bar chart in which all points are within the control limits is likely?

Which chart is used to track central tendency of sample means?

For an x-bar chart, R-bar is defined as?

Data that are continuous such as weight and time are what type of data?

A process with a mean output of 14 and a standard deviation of output of 1 has been provided specification limits of 15 and 12. Which statement below is most appropriate for this process?

Which two charts are used together?

________ variation is due to causes that can be corrected or fixed.

For an x-bar chart, x-double bar is defined as?

How does process capability analysis differ from the use of statistical process control charts?