Question 1

Which of the following is an example of a variables chart?

Accepted Answer

A) u chart 
B) c chart 
C) np chart 
D) p chart 
E) X chart 
A) u chart 
B) c chart 
C) np chart 
D) p chart 
E) X chart

Question 2

The moving average chart uses past information to predict what the next process outcome will be.

Accepted Answer

A) True 
 B)False

Question 3

________ is based on the concept that all work occurs in a system of interconnected processes.

Accepted Answer

A) Statistical thinking 
B) Qualitative modeling 
C) Process benchmarking 
D) Rational subgrouping 
E) Data interlinking 
A) Statistical thinking 
B) Qualitative modeling 
C) Process benchmarking 
D) Rational subgrouping 
E) Data interlinking

Question 4

________ happens when statistical quality analysis fails to result in the scrapping or reworking of a defective product.

Accepted Answer

A) Management's risk 
B) Producer's risk 
C) Manufacturer's risk 
D) Retailer's risk 
E) Consumer's risk 
A) Management's risk 
B) Producer's risk 
C) Manufacturer's risk 
D) Retailer's risk 
E) Consumer's risk

Question 5

In a variables control chart, which of the following has occurred if seven points, either increasing or decreasing, are in succession?

Accepted Answer

A) erratic behavior 
B) nonrandom event 
C) process drift 
D) natural variation 
E) process run 
A) erratic behavior 
B) nonrandom event 
C) process drift 
D) natural variation 
E) process run

Question 6

If it is too time consuming or inconvenient to compute subgroup averages, a median chart should be used.

Accepted Answer

A) True 
 B)False

Question 7

What is the difference between a variable and an attribute?

Accepted Answer

A variable is a continuous measurement s

Question 8

X chart is an example of a variables chart.

Accepted Answer

A) True 
 B)False

Question 9

The s chart is often used where variation in a process is large.

Accepted Answer

A) True 
 B)False

Question 10

X chart limits are control limits and not natural limits.

Accepted Answer

A) True 
 B)False

Question 11

What is the lower limit of R for sample sizes less than or equal to six?

Accepted Answer

A) -1 
B) 6 
C) 0 
D) -6 
E) 1 
A) -1 
B) 6 
C) 0 
D) -6 
E) 1

Question 12

World-class levels of process capability are measured by parts per million defect levels.

Accepted Answer

A) True 
 B)False

Question 13

Process stability refers to the ability of a process to produce a product that meets specification.

Accepted Answer

A) True 
 B)False

Question 14

What is the first step in developing process control charts?

Accepted Answer

A) Identify critical product characteristics. 
B) Select the appropriate process control chart. 
C) Determine whether the critical product characteristic is a variable or an attribute. 
D) Identify critical operations in the process. 
E) Establish the control limits. 
A) Identify critical product characteristics. 
B) Select the appropriate process control chart. 
C) Determine whether the critical product characteristic is a variable or an attribute. 
D) Identify critical operations in the process. 
E) Establish the control limits.

Question 15

The upper and lower specifications for metal head plates are 5 ±0.1 cm. A sample of the metal head plates in 25 undergraduates yields a mean of 5.05. What is the population standard deviation if the population capability index is 1.666?

Accepted Answer

A) 0.01 
B) 0.02 
C) 0.03 
D) 0.04 
E) 0.05 
A) 0.01 
B) 0.02 
C) 0.03 
D) 0.04 
E) 0.05

Question 16

Explain why random samples are difficult to achieve in a production environment.

Accepted Answer

In a process industry, multiple products

Question 17

________ are tools for monitoring process variation.

Accepted Answer

A) Pareto charts 
B) Control charts 
C) Histograms 
D) Scatter diagrams 
E) Cause-and-effect diagrams 
A) Pareto charts 
B) Control charts 
C) Histograms 
D) Scatter diagrams 
E) Cause-and-effect diagrams

Question 18

Although   charts generally are preferred for variables data, sometimes it is too time consuming or inconvenient to compute subgroup averages. In these cases, a(n)________ is used.

Accepted Answer

A) median chart 
B) X chart 
C) p chart 
D) s chart 
E) standard deviation chart 
A) median chart 
B) X chart 
C) p chart 
D) s chart 
E) standard deviation chart

Question 19

Variation within the data in a ________ subgroup can provide a yardstick for computing limits on the standard variation between subgroups.

Accepted Answer

A) process 
B) variable 
C) primary 
D) stable 
E) rational 
A) process 
B) variable 
C) primary 
D) stable 
E) rational

Question 20

To ensure that processes are stable, data are gathered in ________.

Accepted Answer

A) batches 
B) networks 
C) samples 
D) lots 
E) sets 
A) batches 
B) networks 
C) samples 
D) lots 
E) sets

Which of the following is an example of a variables chart?

The moving average chart uses past information to predict what the next process outcome will be.

________ is based on the concept that all work occurs in a system of interconnected processes.

________ happens when statistical quality analysis fails to result in the scrapping or reworking of a defective product.

In a variables control chart, which of the following has occurred if seven points, either increasing or decreasing, are in succession?

If it is too time consuming or inconvenient to compute subgroup averages, a median chart should be used.

What is the difference between a variable and an attribute?

X chart is an example of a variables chart.

The s chart is often used where variation in a process is large.

X chart limits are control limits and not natural limits.

What is the lower limit of R for sample sizes less than or equal to six?

World-class levels of process capability are measured by parts per million defect levels.

Process stability refers to the ability of a process to produce a product that meets specification.

What is the first step in developing process control charts?

The upper and lower specifications for metal head plates are 5 ±0.1 cm. A sample of the metal head plates in 25 undergraduates yields a mean of 5.05. What is the population standard deviation if the population capability index is 1.666?

Explain why random samples are difficult to achieve in a production environment.

________ are tools for monitoring process variation.

Although charts generally are preferred for variables data, sometimes it is too time consuming or inconvenient to compute subgroup averages. In these cases, a(n)________ is used.

Variation within the data in a ________ subgroup can provide a yardstick for computing limits on the standard variation between subgroups.

To ensure that processes are stable, data are gathered in ________.

Differing Perspectives on Quality

Quality Theory

Global Supply Chain Quality and International Quality Standards

Strategic Quality Planning

The Voice of the Customer

The Voice of the Market

Quality and Innovation in Product and Process Design

Designing Quality Services

Managing Supplier Quality in the Supply Chain

The Tools of Quality

Statistically Based Quality Improvement for Attributes

Six Sigma Management and Lean Tools

Managing Quality Improvement Teams and Projects

Implementing and Validating the Quality System

Filters

Exam 11: Statistically Based Quality Improvement for Variables

Which of the following is an example of a variables chart?

The moving average chart uses past information to predict what the next process outcome will be.

________ is based on the concept that all work occurs in a system of interconnected processes.

________ happens when statistical quality analysis fails to result in the scrapping or reworking of a defective product.

In a variables control chart, which of the following has occurred if seven points, either increasing or decreasing, are in succession?

If it is too time consuming or inconvenient to compute subgroup averages, a median chart should be used.

What is the difference between a variable and an attribute?

X chart is an example of a variables chart.

The s chart is often used where variation in a process is large.

X chart limits are control limits and not natural limits.

What is the lower limit of R for sample sizes less than or equal to six?

World-class levels of process capability are measured by parts per million defect levels.

Process stability refers to the ability of a process to produce a product that meets specification.

What is the first step in developing process control charts?

The upper and lower specifications for metal head plates are 5 ±0.1 cm. A sample of the metal head plates in 25 undergraduates yields a mean of 5.05. What is the population standard deviation if the population capability index is 1.666?

Explain why random samples are difficult to achieve in a production environment.

________ are tools for monitoring process variation.

Although charts generally are preferred for variables data, sometimes it is too time consuming or inconvenient to compute subgroup averages. In these cases, a(n)________ is used.

Variation within the data in a ________ subgroup can provide a yardstick for computing limits on the standard variation between subgroups.

To ensure that processes are stable, data are gathered in ________.

Differing Perspectives on Quality

Quality Theory

Global Supply Chain Quality and International Quality Standards

Strategic Quality Planning

The Voice of the Customer

The Voice of the Market

Quality and Innovation in Product and Process Design

Designing Quality Services

Managing Supplier Quality in the Supply Chain

The Tools of Quality

Statistically Based Quality Improvement for Attributes

Six Sigma Management and Lean Tools

Managing Quality Improvement Teams and Projects

Implementing and Validating the Quality System

Filters