Question 1

Possible root causes of special cause variation include all of the following except

Accepted Answer

A)  operator error. 
B)  process out of adjustments. 
C)  over producing. 
D)  defective materials. 
A)  operator error. 
B)  process out of adjustments. 
C)  over producing. 
D)  defective materials.

Question 2

Tolerances and specification limits report similar information for a given product design.

Accepted Answer

A) True 
 B)False

Question 3

Explain the basics of applying statistical process control (SPC) in production and services.

Accepted Answer

SPC is one of the main quantitative tool

Question 4

Evaluate the process capability of a process.

Accepted Answer

Process capability refers to the natural

Question 5

Which of the following could a hospital be interested in observing

Accepted Answer

A)  timeliness and quickness of care. 
B)  staff responses to requests. 
C)  accuracy of lab tests. 
D)  all of the above. 
A)  timeliness and quickness of care. 
B)  staff responses to requests. 
C)  accuracy of lab tests. 
D)  all of the above.

Question 6

In some cases, the   -chart is used without an R-chart because there is no variation between the samples.

Accepted Answer

A) True 
 B)False

Question 7

A company produces a product which is designed to weigh 10 oz., with a tolerance of   0.5 oz. The process produces products with an average weight of 9.95 oz. and a standard deviation of 0.10 oz. The process capability ratio for this process is

Accepted Answer

A)  1.67. 
B)  0. 
C)  0.8333. 
D)  -1.67. 
A)  1.67. 
B)  0. 
C)  0.8333. 
D)  -1.67.

Question 8

A process capability ratio reflects the number of (Z) sigmas included in the range between the upper and lower control limits.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following charts are frequently used together to monitor and control quality?

Accepted Answer

A)  p and   
B)  R and p 
C)  c and R 
D)  R and   
A)  p and   
B)  R and p 
C)  c and R 
D)  R and

Question 10

Identify control chart patterns and describe appropriate data collection.

Accepted Answer

If the sample values display a consisten

Question 11

A control chart is in control when the plot of the sample points exhibits a pattern.

Accepted Answer

A) True 
 B)False

Question 12

An operating characteristics (OC) curve is a graph that measures the probability of accepting a lot with no defective items.

Accepted Answer

A) True 
 B)False

Question 13

To monitor the number of blemishes on a polished surface, a company randomly selects 10 units of output from its process and counts the number of blemishes on each unit. The sample results are shown below:   Given the sample information above, the average number of defects per unit for this process would be

Accepted Answer

A)  160. 
B)  80. 
C)  16. 
D)  10. 
A)  160. 
B)  80. 
C)  16. 
D)  10.

Question 14

Use attribute control charts. The quality measures used in attribute control charts are discrete values reflecting a simple decision criterion such as good or bad.

Accepted Answer

A p-chart uses the proportion of defecti

Question 15

What is the advantage of a multiple-sampling plan?

Accepted Answer

A multiple-sampling plan also referred t

Question 16

A company manufactures a product that has a design (nominal) target width of 5 inches with tolerances of   .05 inch. The process that produces the product has a mean of 4.995 inches and a standard deviation of 0.01 inch. The process capability index for this process is

Accepted Answer

A)  1.67. 
B)  1.5. 
C)  -1.5. 
D)  -1.67. 
A)  1.67. 
B)  1.5. 
C)  -1.5. 
D)  -1.67.

Question 17

Which of the following statements is true?

Accepted Answer

A)  With wider control limits (larger Z), the process is more likely to be in control. 
B)  With narrower control limits, (smaller Z), the process is more likely to be in control. 
C)  With wider control limits (larger Z), the process is less likely to be in control. 
D)  None of the above are true. 
A)  With wider control limits (larger Z), the process is more likely to be in control. 
B)  With narrower control limits, (smaller Z), the process is more likely to be in control. 
C)  With wider control limits (larger Z), the process is less likely to be in control. 
D)  None of the above are true.

Possible root causes of special cause variation include all of the following except

Tolerances and specification limits report similar information for a given product design.

Explain the basics of applying statistical process control (SPC) in production and services.

Evaluate the process capability of a process.

Which of the following could a hospital be interested in observing

In some cases, the -chart is used without an R-chart because there is no variation between the samples.

A company produces a product which is designed to weigh 10 oz., with a tolerance of 0.5 oz. The process produces products with an average weight of 9.95 oz. and a standard deviation of 0.10 oz. The process capability ratio for this process is

A process capability ratio reflects the number of (Z) sigmas included in the range between the upper and lower control limits.

Which of the following charts are frequently used together to monitor and control quality?

Identify control chart patterns and describe appropriate data collection.

A control chart is in control when the plot of the sample points exhibits a pattern.

An operating characteristics (OC) curve is a graph that measures the probability of accepting a lot with no defective items.

Use attribute control charts. The quality measures used in attribute control charts are discrete values reflecting a simple decision criterion such as good or bad.

What is the advantage of a multiple-sampling plan?

A company manufactures a product that has a design (nominal) target width of 5 inches with tolerances of .05 inch. The process that produces the product has a mean of 4.995 inches and a standard deviation of 0.01 inch. The process capability index for this process is

Which of the following statements is true?

Introduction to Operations and Supply Chain Management

Quality Management

Product Design

Service Design

Processes and Technology

Capacity and Facilities Design

Human Resources

Project Management

Supply Chain Management Strategy and Design

Global Supply Chain Procurement and Distribution

Forecasting

Inventory Management

Sales and Operations Planning

Resource Planning

Lean Systems

Scheduling

Filters

Exam 3: Statistical Process Control

Possible root causes of special cause variation include all of the following except

Tolerances and specification limits report similar information for a given product design.

Explain the basics of applying statistical process control (SPC) in production and services.

Evaluate the process capability of a process.

Which of the following could a hospital be interested in observing

In some cases, the -chart is used without an R-chart because there is no variation between the samples.

A company produces a product which is designed to weigh 10 oz., with a tolerance of 0.5 oz. The process produces products with an average weight of 9.95 oz. and a standard deviation of 0.10 oz. The process capability ratio for this process is

A process capability ratio reflects the number of (Z) sigmas included in the range between the upper and lower control limits.

Which of the following charts are frequently used together to monitor and control quality?

Identify control chart patterns and describe appropriate data collection.

A control chart is in control when the plot of the sample points exhibits a pattern.

An operating characteristics (OC) curve is a graph that measures the probability of accepting a lot with no defective items.

Use attribute control charts. The quality measures used in attribute control charts are discrete values reflecting a simple decision criterion such as good or bad.

What is the advantage of a multiple-sampling plan?

A company manufactures a product that has a design (nominal) target width of 5 inches with tolerances of .05 inch. The process that produces the product has a mean of 4.995 inches and a standard deviation of 0.01 inch. The process capability index for this process is

Which of the following statements is true?

Introduction to Operations and Supply Chain Management

Quality Management

Product Design

Service Design

Processes and Technology

Capacity and Facilities Design

Human Resources

Project Management

Supply Chain Management Strategy and Design

Global Supply Chain Procurement and Distribution

Forecasting

Inventory Management

Sales and Operations Planning

Resource Planning

Lean Systems

Scheduling

Filters