Question 1

Historically,the average proportion of defective bars has been 0.015.Samples will be of 100 bars each.Construct a p-chart using z = 3.What is the value of LCL?

Accepted Answer

A) less than or equal to 0.01 
B) greater than 0.01 but less than or equal to 0.02 
C) greater than 0.02 but less than or equal to 0.03 
D) greater than 0.03 
A) less than or equal to 0.01 
B) greater than 0.01 but less than or equal to 0.02 
C) greater than 0.02 but less than or equal to 0.03 
D) greater than 0.03

Question 2

________ is the international standard governing environmental management.

Accepted Answer

The answer of ________ is the international standard governing environmental...

Question 3

A laser surgery process has tolerances of plus or minus .01 inches.What does the process standard deviation need to be in order for this process to have a capability ratio of 1.00?

Accepted Answer

A) 0)02 inches 
B) 0)0033 inches 
C) 0)002 inches 
D) 0)033 inches 
A) 0)02 inches 
B) 0)0033 inches 
C) 0)002 inches 
D) 0)033 inches

Question 4

Construct a 3-sigma   and R-chart for the length in centimeters of a part from the following table.

Accepted Answer

@#IMG-DLM& = .4981, @#IMG-DLM& = .0321
Control limits for R-

Question 5

Table 5.4
The manager of Champion Cooling Company has recently implemented a statistical process control method.The accompanying table shows the results of five different samples of walk-in coolers that were produced in the previous month.
  
-Use the information in Table 5.4.The center line of the R-chart is:

Accepted Answer

A) 4)4. 
B) 3)9. 
C) 4)8. 
D) 5)9. 
A) 4)4. 
B) 3)9. 
C) 4)8. 
D) 5)9.

Question 6

Increasing the quality level by better products and processes may:

Accepted Answer

A) allow a company to raise the price of the product. 
B) move a company closer to a competitive priority of price. 
C) reduce prevention costs. 
D) ensure that the trade-off between prevention costs and other costs of poor quality is worthwhile. 
A) allow a company to raise the price of the product. 
B) move a company closer to a competitive priority of price. 
C) reduce prevention costs. 
D) ensure that the trade-off between prevention costs and other costs of poor quality is worthwhile.

Question 7

The defect rate for a product has historically been about 5.0%.What is the upper control chart limit if you wish to use a sample size of 50 and 3-sigma limits?

Accepted Answer

A) 0)082 
B) 0)112 
C) 0)142 
D) 0)172 
A) 0)082 
B) 0)112 
C) 0)142 
D) 0)172

Question 8

Financial and market results are one consideration of the Baldrige Performance Excellence Program.

Accepted Answer

A) True 
 B)False

Question 9

Continuous improvement is a philosophy that:

Accepted Answer

A) uses problem-solving techniques within work teams. 
B) ensures there are plenty of quality inspectors to find areas for improvement. 
C) waits until a big problem occurs,then systematically solves it. 
D) encourages the hiring of statistical process control specialists to reduce the need for current employees to learn statistical methods. 
A) uses problem-solving techniques within work teams. 
B) ensures there are plenty of quality inspectors to find areas for improvement. 
C) waits until a big problem occurs,then systematically solves it. 
D) encourages the hiring of statistical process control specialists to reduce the need for current employees to learn statistical methods.

Question 10

The Baldrige Performance Excellence Program considers a company's business results but ISO 9001:2008 registration does not.

Accepted Answer

A) True 
 B)False

Question 11

The poultry farmer was aghast when the grocery store revealed their new weapon in the war on poor quality.They planned to use a(n)________ to monitor the rotten eggs found in the cartons of farm fresh free range eggs that he supplied.The poultry farmer was well-versed in quality and knew their choice to be the right one;nevertheless he was upset about this level of scrutiny and what he perceived as a lack of trust.

Accepted Answer

The answer of The poultry farmer was aghast when the...

Question 12

Regarding control charts,changing from three-sigma limits to two-sigma limits:

Accepted Answer

A) increases the probability of concluding nothing has changed,when in fact it has. 
B) increases the probability of searching for a cause when none exists. 
C) decreases the probability that the process average will change. 
D) decreases the probability that defects will be generated by the process. 
A) increases the probability of concluding nothing has changed,when in fact it has. 
B) increases the probability of searching for a cause when none exists. 
C) decreases the probability that the process average will change. 
D) decreases the probability that defects will be generated by the process.

Question 13

A manufacturer embarking on a Six Sigma program sets the goal of having true Six Sigma capability for all processes by the end of the month.If their current process capability index on a key metric is less than 2.0 and the process capability ratio is 1.25,what must happen with the process standard deviation?

Accepted Answer

A) The process standard deviation must be reduced by about 25%. 
B) The process standard deviation must be reduced by about 37%. 
C) The process standard deviation must be reduced by about 50%. 
D) The process standard deviation must be reduced by about 67%. 
A) The process standard deviation must be reduced by about 25%. 
B) The process standard deviation must be reduced by about 37%. 
C) The process standard deviation must be reduced by about 50%. 
D) The process standard deviation must be reduced by about 67%.

Question 14

How does SPC help companies implement continuous improvement programs?

Accepted Answer

The feedback from out-of-control signals

Question 15

An operator of a filling machine plotted the weights of each bag she filled for three weeks.At the same time,a quality inspector randomly took groups of five bags of the same output and plotted the average weights of the samples.The inspector's sampling distribution will:

Accepted Answer

A) have greater variability than the operator's distribution. 
B) have less variability than the operator's distribution. 
C) show if the output has been produced to the operator's specifications. 
D) have a mean five times greater than the operator's distribution. 
A) have greater variability than the operator's distribution. 
B) have less variability than the operator's distribution. 
C) show if the output has been produced to the operator's specifications. 
D) have a mean five times greater than the operator's distribution.

Question 16

A process with a target of 25 was used to generate the following data points.Is the process properly centered? Determine the process capability given a USL = 27 and LSL = 18.The standard deviation of the data is 2.712.

Accepted Answer

The sample means and ranges are containe

Question 17

Historically,the average time to service a customer complaint has been 3 days and the standard deviation has been 0.50 day.Management would like to specify the control limits for an   chart with a sample size of 10 and 3- sigma limits.The UCL for the chart would be:

Accepted Answer

A) less than or equal to 3.30. 
B) greater than 3.30 but less than or equal to 3.40. 
C) greater than 3.40 but less than or equal to 3.50. 
D) greater than 3.50. 
A) less than or equal to 3.30. 
B) greater than 3.30 but less than or equal to 3.40. 
C) greater than 3.40 but less than or equal to 3.50. 
D) greater than 3.50.

Question 18

What are any three dimensions of quality and which one accurately describes how you assess education?

Accepted Answer

Answers will vary on the educational ass

Question 19

Consumers consider five aspects when defining quality.Which one of the following is least likely to be one of these aspects?

Accepted Answer

A) value 
B) fitness for use 
C) psychological impressions 
D) individual development 
A) value 
B) fitness for use 
C) psychological impressions 
D) individual development

Question 20

Table 5.11
Factors for Calculating Three-Sigma Limits for the   Chart and R-Chart
   Source: 1950 ASTM Manual on Quality Control of Materials,copyright American Society for Testing Materials.Reprinted with permission.
-Thermostats are subjected to rigorous testing before they are shipped to air conditioning technicians around the world.Results from the last five samples are shown in the table.Create control charts that will fully monitor the process and indicate the result of X-bar and R chart analysis.

Accepted Answer

A) x bar and r chart are both out of control 
B) x bar chart is in control but r chart is out of control 
C) x bar chart is out of control but r chart is in control 
D) x bar and r chart are both in control 
A) x bar and r chart are both out of control 
B) x bar chart is in control but r chart is out of control 
C) x bar chart is out of control but r chart is in control 
D) x bar and r chart are both in control

Exam 3: Quality and Performance

Historically,the average proportion of defective bars has been 0.015.Samples will be of 100 bars each.Construct a p-chart using z = 3.What is the value of LCL?

________ is the international standard governing environmental management.

A laser surgery process has tolerances of plus or minus .01 inches.What does the process standard deviation need to be in order for this process to have a capability ratio of 1.00?

Construct a 3-sigma and R-chart for the length in centimeters of a part from the following table.

Increasing the quality level by better products and processes may:

The defect rate for a product has historically been about 5.0%.What is the upper control chart limit if you wish to use a sample size of 50 and 3-sigma limits?

Financial and market results are one consideration of the Baldrige Performance Excellence Program.

Continuous improvement is a philosophy that:

The Baldrige Performance Excellence Program considers a company's business results but ISO 9001:2008 registration does not.

Regarding control charts,changing from three-sigma limits to two-sigma limits:

How does SPC help companies implement continuous improvement programs?

An operator of a filling machine plotted the weights of each bag she filled for three weeks.At the same time,a quality inspector randomly took groups of five bags of the same output and plotted the average weights of the samples.The inspector's sampling distribution will:

A process with a target of 25 was used to generate the following data points.Is the process properly centered? Determine the process capability given a USL = 27 and LSL = 18.The standard deviation of the data is 2.712.

Historically,the average time to service a customer complaint has been 3 days and the standard deviation has been 0.50 day.Management would like to specify the control limits for an chart with a sample size of 10 and 3- sigma limits.The UCL for the chart would be:

What are any three dimensions of quality and which one accurately describes how you assess education?

Consumers consider five aspects when defining quality.Which one of the following is least likely to be one of these aspects?

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