Question 1

What is a control chart that monitors changes in the mean value of a process?

Accepted Answer

A)  x-bar chart 
B)  R-chart 
C)  p-chart 
D)  c-chart 
E)  OC chart

Question 2

Which of the following is not associated with descriptive statistics?

Accepted Answer

A)  mean 
B)  standard deviation 
C)  range 
D)  proportion 
E)  measure of the distribution of data

Question 3

An x-bar chart is an example of what?

Accepted Answer

A)  Traditional statistical tools 
B)  Fishbone diagramming 
C)  Acceptance sampling 
D)  Experimental design 
E)  Statistical process control

Question 4

What is the upper control limit for a c-chart if the total defects found over 20 samples equals 150?

Accepted Answer

A)  7.5 
B)  2.739 
C)  15.72 
D)  20 
E)  30

Question 5

If the average range is 4.0 inches and the sample size is 18, compute the upper and lower limits for an R chart.

Accepted Answer

The answer of If the average range is 4.0 inches...

Question 6

What is the lower control limit for a c-chart if the average number of defects found over 320 samples is equal to 16?

Accepted Answer

A)  6.584 
B)  4 
C)  20 
D)  0 
E)  12

Question 7

Compute the C_pk measure of process capability for the following machine and interpret the findings. What value would you have obtained with the C_p measure? Upper spec limit = 100 feet Lower spec limit = 99.5 feet Process F1F1F1S1?F1F1F10 = 99.8 feet Process F1F1F1S1?F1F1F10 = .08 feet

Accepted Answer

The answer of Compute the C_pk measure of process capability...

Question 8

According to the text, what percent of defects are consumers generally willing to accept?

Accepted Answer

A)  1-2% 
B)  2-3% 
C)  3-4% 
D)  4-5% 
E)  5-6%

Question 9

The center line of a control chart represents what?

Accepted Answer

A)  Range 
B)  Standard deviation 
C)  Mean 
D)  Mean divided by standard deviation 
E)  Skewness

Question 10

Suppose that Matt wants to use a process control chart to monitor the number of different types of mistakes that he makes when giving motivational speeches to student groups. Which control chart would be most appropriate?

Accepted Answer

A)  x-bar chart 
B)  R-chart 
C)  p-chart 
D)  c-chart 
E)  OC chart

Question 11

Describe how finance is associated with SQC.

Accepted Answer

The answer of Describe how finance is associated with SQC....

Question 12

What is the formula for the basic capability index?

Accepted Answer

The answer of What is the formula for the basic...

Question 13

Suppose that you have created control charts to measure the length of candles. The process is in a state of control if either the x-bar chart is in control or the R-chart is in control.

Accepted Answer

A) True 
 B)False

Question 14

The computed AOQ provides a sense of the ______________ of the product

Accepted Answer

The answer of The computed AOQ provides a sense of...

Question 15

The person that comes from the top ranks of the organization and is responsible for providing direction and overseeing all aspects of a six-sigma implementation process is called a general.

Accepted Answer

A) True 
 B)False

Question 16

What process width is typically used when computing the process capability index Cp?

Accepted Answer

A)  1F1F1F1S1F1F1F10 
B)  2F1F1F1S1F1F1F10 
C)  3F1F1F1S1F1F1F10 
D)  4F1F1F1S1F1F1F10 
E)  6F1F1F1S1F1F1F10

Question 17

Product tolerances are often called

Accepted Answer

A)  SPC 
B)  Product drawings 
C)  Product descriptions 
D)  Process capability 
E)  Product specifications

Question 18

All processes will have what type of variation?

Accepted Answer

A)  Random 
B)  Assignable 
C)  Identifiable 
D)  Stochastic 
E)  Common

Question 19

What process capability index (Cp) value implies that the process "exceeds minimal capability?"

Accepted Answer

A)  0 
B)   1 
E)  6F1F1F1S1F1F1F10

Question 20

The range of a data set is always non-negative.

Accepted Answer

A) True 
 B)False

Exam 6: Statistical Quality Control

What is a control chart that monitors changes in the mean value of a process?

Which of the following is not associated with descriptive statistics?

An x-bar chart is an example of what?

What is the upper control limit for a c-chart if the total defects found over 20 samples equals 150?

If the average range is 4.0 inches and the sample size is 18, compute the upper and lower limits for an R chart.

What is the lower control limit for a c-chart if the average number of defects found over 320 samples is equal to 16?

Compute the C_pk measure of process capability for the following machine and interpret the findings. What value would you have obtained with the C_p measure? Upper spec limit = 100 feet Lower spec limit = 99.5 feet Process ? = 99.8 feet Process ? = .08 feet

According to the text, what percent of defects are consumers generally willing to accept?

The center line of a control chart represents what?

Suppose that Matt wants to use a process control chart to monitor the number of different types of mistakes that he makes when giving motivational speeches to student groups. Which control chart would be most appropriate?

Describe how finance is associated with SQC.

What is the formula for the basic capability index?

Suppose that you have created control charts to measure the length of candles. The process is in a state of control if either the x-bar chart is in control or the R-chart is in control.

The computed AOQ provides a sense of the ______________ of the product

The person that comes from the top ranks of the organization and is responsible for providing direction and overseeing all aspects of a six-sigma implementation process is called a general.

What process width is typically used when computing the process capability index C_p?

Product tolerances are often called

All processes will have what type of variation?

What process capability index (C_p) value implies that the process "exceeds minimal capability?"

The range of a data set is always non-negative.

Exam 6: Statistical Quality Control

What is a control chart that monitors changes in the mean value of a process?

Which of the following is not associated with descriptive statistics?

An x-bar chart is an example of what?

What is the upper control limit for a c-chart if the total defects found over 20 samples equals 150?

If the average range is 4.0 inches and the sample size is 18, compute the upper and lower limits for an R chart.

What is the lower control limit for a c-chart if the average number of defects found over 320 samples is equal to 16?

Compute the Cpk measure of process capability for the following machine and interpret the findings. What value would you have obtained with the Cp measure? Upper spec limit = 100 feet Lower spec limit = 99.5 feet Process ? = 99.8 feet Process ? = .08 feet

According to the text, what percent of defects are consumers generally willing to accept?

The center line of a control chart represents what?

Suppose that Matt wants to use a process control chart to monitor the number of different types of mistakes that he makes when giving motivational speeches to student groups. Which control chart would be most appropriate?

Describe how finance is associated with SQC.

What is the formula for the basic capability index?

Suppose that you have created control charts to measure the length of candles. The process is in a state of control if either the x-bar chart is in control or the R-chart is in control.

The computed AOQ provides a sense of the ______________ of the product

The person that comes from the top ranks of the organization and is responsible for providing direction and overseeing all aspects of a six-sigma implementation process is called a general.

What process width is typically used when computing the process capability index Cp?

Product tolerances are often called

All processes will have what type of variation?

What process capability index (Cp) value implies that the process "exceeds minimal capability?"

The range of a data set is always non-negative.

Compute the C_pk measure of process capability for the following machine and interpret the findings. What value would you have obtained with the C_p measure? Upper spec limit = 100 feet Lower spec limit = 99.5 feet Process ? = 99.8 feet Process ? = .08 feet

What process width is typically used when computing the process capability index C_p?

What process capability index (C_p) value implies that the process "exceeds minimal capability?"