Question 1

Which of the following is the best description of variables data?

Accepted Answer

A)  Number of students more than six feet tall in a classroom. 
B)  Ratio of damaged apples to perfect apples in a shipment. 
C)  Downward force required to cause a critical part to fail during a quality test. 
D)  Adequate strength of adhesive applied between two components. 
A)  Number of students more than six feet tall in a classroom. 
B)  Ratio of damaged apples to perfect apples in a shipment. 
C)  Downward force required to cause a critical part to fail during a quality test. 
D)  Adequate strength of adhesive applied between two components.

Question 2

Which of the following statements is NOT correct?

Accepted Answer

A)  Control limits represent the "voice of the process." 
B)  The average of the measurement data collected is the same as the center line. 
C)  Six sigma equates to 99.74% of output within the control limits. 
D)  A normal distribution of a process under control will include a very small amount outside the control limits. 
A)  Control limits represent the "voice of the process." 
B)  The average of the measurement data collected is the same as the center line. 
C)  Six sigma equates to 99.74% of output within the control limits. 
D)  A normal distribution of a process under control will include a very small amount outside the control limits.

Question 3

A Pareto diagram

Accepted Answer

A)  shows causes and effects of quality problems. 
B)  shows the prevalence of the various types of defects that have been found. 
C)  is not useful when first studying a quality problem. 
D)  has both upper and lower specification limits. 
A)  shows causes and effects of quality problems. 
B)  shows the prevalence of the various types of defects that have been found. 
C)  is not useful when first studying a quality problem. 
D)  has both upper and lower specification limits.

Question 4

Name the seven tools of quality control typically used in process improvement.Could all of these tools be applied to service operations?
 Suggest some possible service operations scenarios wherein we could apply all or some of these tools.

Accepted Answer

Seven tools of quality: cause-and-effec

Question 5

The ability of the process to meet,or exceed,its specifications can be determined by

Accepted Answer

A)  Pareto charts. 
B)  cause-and-effect diagrams. 
C)  histograms. 
D)  Cp index. 
A)  Pareto charts. 
B)  cause-and-effect diagrams. 
C)  histograms. 
D)  Cp index.

Question 6

Which of the following is the best description of quality control?

Accepted Answer

A)  The use of mass inspection in a process to ensure quality and meet customer requirements. 
B)  The continuous improvement of a process to better address customer needs. 
C)  The stabilization and maintenance of a process to produce consistent output. 
D)  Constancy of purpose toward improvement of the product or service. 
A)  The use of mass inspection in a process to ensure quality and meet customer requirements. 
B)  The continuous improvement of a process to better address customer needs. 
C)  The stabilization and maintenance of a process to produce consistent output. 
D)  Constancy of purpose toward improvement of the product or service.

Question 7

Range charts are used to evaluate

Accepted Answer

A)  the variability of data within samples for variable data. 
B)  the variability of data within samples for attribute data. 
C)  the variability of data among (central tendency) samples. 
D)  the variability of process capability. 
A)  the variability of data within samples for variable data. 
B)  the variability of data within samples for attribute data. 
C)  the variability of data among (central tendency) samples. 
D)  the variability of process capability.

Question 8

A brewer bottles beer labeled "net weight 12 ounces." A production employee pulled 20 random samples of 5 bottles each throughout the day and found that the average weight is exactly 12 ounces and the average range of the samples is 0.25 ounce.What is the lower control limit for the averages chart for this process?

Accepted Answer

A)  12.144 ounces. 
B)  11.955 ounces. 
C)  11.856 ounces. 
D)  None of the above. 
A)  12.144 ounces. 
B)  11.955 ounces. 
C)  11.856 ounces. 
D)  None of the above.

Question 9

The figure shown below represents a control chart determined from attribute data.Given this chart and the plotted observations,the most appropriate action would be

Accepted Answer

A)  take immediate action to identify potential causes of the variation. 
B)  decrease the confidence interval for the control chart. 
C)  do nothing because the process appears to be operating in control. 
D)  increase the confidence interval for the control chart. 
A)  take immediate action to identify potential causes of the variation. 
B)  decrease the confidence interval for the control chart. 
C)  do nothing because the process appears to be operating in control. 
D)  increase the confidence interval for the control chart.

Question 10

Which of the following statements about process quality control is NOT true?

Accepted Answer

A)  Assignable cause variation is also referred as special cause variation. 
B)  An observation outside the control limits is an example of a special cause of variation. 
C)  Common cause variation can be eliminated from the process by removing the potential causes. 
D)  The control limits will include 99.74% of the population under the normal probability distribution assuming that the process is in control. 
A)  Assignable cause variation is also referred as special cause variation. 
B)  An observation outside the control limits is an example of a special cause of variation. 
C)  Common cause variation can be eliminated from the process by removing the potential causes. 
D)  The control limits will include 99.74% of the population under the normal probability distribution assuming that the process is in control.

Which of the following is the best description of variables data?

Which of the following statements is NOT correct?

A Pareto diagram

Name the seven tools of quality control typically used in process improvement.Could all of these tools be applied to service operations? Suggest some possible service operations scenarios wherein we could apply all or some of these tools.

The ability of the process to meet,or exceed,its specifications can be determined by

Which of the following is the best description of quality control?

Range charts are used to evaluate

The figure shown below represents a control chart determined from attribute data.Given this chart and the plotted observations,the most appropriate action would be

Which of the following statements about process quality control is NOT true?

The Operations Function

Operations and Supply Chain Strategy

Product Design

Process Selection

Service Delivery System Design

Process-Flow Analysis

Lean Thinking and Lean Systems

Managing Quality

Forecasting

Capacity Planning

Scheduling Operations

Project Planning and Scheduling

Independent Demand Inventory

Materials Requirements Planning and ERP

Supply Chain Management

Sourcing

Global Logistics

Filters

Exam 9: Quality Control and Improvement

Which of the following is the best description of variables data?

Which of the following statements is NOT correct?

A Pareto diagram

Name the seven tools of quality control typically used in process improvement.Could all of these tools be applied to service operations? Suggest some possible service operations scenarios wherein we could apply all or some of these tools.

The ability of the process to meet,or exceed,its specifications can be determined by

Which of the following is the best description of quality control?

Range charts are used to evaluate

The figure shown below represents a control chart determined from attribute data.Given this chart and the plotted observations,the most appropriate action would be

Which of the following statements about process quality control is NOT true?

The Operations Function

Operations and Supply Chain Strategy

Product Design

Process Selection

Service Delivery System Design

Process-Flow Analysis

Lean Thinking and Lean Systems

Managing Quality

Forecasting

Capacity Planning

Scheduling Operations

Project Planning and Scheduling

Independent Demand Inventory

Materials Requirements Planning and ERP

Supply Chain Management

Sourcing

Global Logistics

Filters