Question 1

Histograms allow you to distinguish between common and special causes of variation.

Accepted Answer

A) True 
 B)False

Question 2

Common and special causes of variation must be eliminated before process capability can be determined.

Accepted Answer

A) True 
 B)False

Question 3

A canning company defines a "nonconformance" as an orange juice can whose diameter is beyond the upper specification limit.A manager at the canning company wants to monitor the number of such orange juice cans produced per day.Each day,an employee will randomly select 120 cans over a period of four weeks.The employee then determines and plots the number of nonconformance cans in each sample.The appropriate control chart is a(n):

Accepted Answer

A) u-chart. 
B) R-chart. 
C) p-chart. 
D) np-chart. 
A) u-chart. 
B) R-chart. 
C) p-chart. 
D) np-chart.

Question 4

For variable data,the two important quality measures are the proportion nonconforming and nonconformances per unit.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following pairs of charts are used together?

Accepted Answer

A)   -chart and p-chart 
B) R-chart and p-chart 
C) R-chart and s-chart 
D)   -chart and R-chart 
A)   -chart and p-chart 
B) R-chart and p-chart 
C) R-chart and s-chart 
D)   -chart and R-chart

Question 6

Short repeated patterns in a control chart,with alternating high peaks and low valleys,are known as:

Accepted Answer

A) trends. 
B) cycles. 
C) shifts. 
D) runs. 
A) trends. 
B) cycles. 
C) shifts. 
D) runs.

Question 7

In an attempt to solve the problem of tacked syringes,statistical consultants recommended _____ for the purpose of improving the tacking operation.

Accepted Answer

A) ANOVA 
B) pre-control 
C) measurement system evaluation 
D) Statistical Process Control 
A) ANOVA 
B) pre-control 
C) measurement system evaluation 
D) Statistical Process Control

Question 8

Discuss the problem associated with the tacked syringes at the final production step.

Accepted Answer

A containment cap that is "tacked" at a

Question 9

All else being constant,if the sample size in a p-chart increases from 100 to 120,the upper and lower control limits will:

Accepted Answer

A) move farther apart. 
B) move closer together. 
C) not be affected. 
D) both shift upward. 
A) move farther apart. 
B) move closer together. 
C) not be affected. 
D) both shift upward.

Question 10

The output of a process is stable and normally distributed.If the process mean equals 23.5,the percentage of output expected to be less than or equal to the mean:

Accepted Answer

A) is less than 25% . 
B) is 50%. 
C) is greater than 75%. 
D) cannot be determined without knowing the standard deviation value. 
A) is less than 25% . 
B) is 50%. 
C) is greater than 75%. 
D) cannot be determined without knowing the standard deviation value.

Question 11

If a process is neither capable nor in control,the appropriate first step is to:

Accepted Answer

A) remove common causes of variation. 
B) redesign the equipment. 
C) remove special causes of variation. 
D) determine the process capability index. 
A) remove common causes of variation. 
B) redesign the equipment. 
C) remove special causes of variation. 
D) determine the process capability index.

Question 12

Control limits for variables and attributes data utilize the same mathematical formulas.

Accepted Answer

A) True 
 B)False

Question 13

When constructing a u-chart,the standard deviation of each sample varies because the size of the sampling unit varies.

Accepted Answer

A) True 
 B)False

Question 14

Six samples of size 10 were collected.The data are provided in the following table:
 
The upper control limit (UCL) and lower control limit (LCL) for an s-chart are:

Accepted Answer

A) LCL = 0.2840,UCL = 1.7160. 
B) LCL = 0.0994,UCL = 0.6006. 
C) LCL = 4.6256,UCL = 5.3256. 
D) LCL = 3.6750,UCL = 5.7750. 
A) LCL = 0.2840,UCL = 1.7160. 
B) LCL = 0.0994,UCL = 0.6006. 
C) LCL = 4.6256,UCL = 5.3256. 
D) LCL = 3.6750,UCL = 5.7750.

Question 15

Define each of the following control chart patterns.Include a sketch of each pattern with your definition.
a.One point outside the control limits
b.Sudden shift in the process average
c.Cycles
d.Trends
e.Hugging the center line
f.Hugging the control limits

Accepted Answer

a.A single point outside the control lim

Question 16

If all sample averages on an   
-chart fall within the control limits,all output will be conforming.

Accepted Answer

A) True 
 B)False

Question 17

Construct a flow chart that illustrates the decision process for selecting the appropriate control chart(s) for monitoring a given process.

Accepted Answer

The decision flow chart for proper contr

Question 18

Identify the tradeoffs associated with the s-chart instead of the R-chart.

Accepted Answer

The s-chart utilizes the sample standard

Question 19

Because of high test costs,a sample of single wastewater sludge is tested daily for dissolved oxygen content.The appropriate control chart is:

Accepted Answer

A) -chart and R-chart. 
B) u-chart. 
C) x-chart and moving range chart. 
D) x-chart and R-chart. 
A) -chart and R-chart. 
B) u-chart. 
C) x-chart and moving range chart. 
D) x-chart and R-chart.

Question 20

If the process mean and variance do not change over time,the process is considered to be:

Accepted Answer

A) in statistical control. 
B) normally distributed. 
C) stable. 
D) capable. 
A) in statistical control. 
B) normally distributed. 
C) stable. 
D) capable.

Histograms allow you to distinguish between common and special causes of variation.

Common and special causes of variation must be eliminated before process capability can be determined.

For variable data,the two important quality measures are the proportion nonconforming and nonconformances per unit.

Which of the following pairs of charts are used together?

Short repeated patterns in a control chart,with alternating high peaks and low valleys,are known as:

In an attempt to solve the problem of tacked syringes,statistical consultants recommended _____ for the purpose of improving the tacking operation.

Discuss the problem associated with the tacked syringes at the final production step.

All else being constant,if the sample size in a p-chart increases from 100 to 120,the upper and lower control limits will:

The output of a process is stable and normally distributed.If the process mean equals 23.5,the percentage of output expected to be less than or equal to the mean:

If a process is neither capable nor in control,the appropriate first step is to:

Control limits for variables and attributes data utilize the same mathematical formulas.

When constructing a u-chart,the standard deviation of each sample varies because the size of the sampling unit varies.

Six samples of size 10 were collected.The data are provided in the following table: The upper control limit (UCL) and lower control limit (LCL) for an s-chart are:

Define each of the following control chart patterns.Include a sketch of each pattern with your definition. a.One point outside the control limits b.Sudden shift in the process average c.Cycles d.Trends e.Hugging the center line f.Hugging the control limits

If all sample averages on an -chart fall within the control limits,all output will be conforming.

Construct a flow chart that illustrates the decision process for selecting the appropriate control chart(s) for monitoring a given process.

Identify the tradeoffs associated with the s-chart instead of the R-chart.

Because of high test costs,a sample of single wastewater sludge is tested daily for dissolved oxygen content.The appropriate control chart is:

If the process mean and variance do not change over time,the process is considered to be:

Introduction to Quality

Foundations of Quality Management

Customer Focus

Workforce Focus

Process Focus

Statistical Methods in Quality Management

Design for Quality and Product Excellence

Process Improvement and Six Sigma

The Baldrige Framework for Performance Excellence

Strategy and Performance Excellence

Measurement and Knowledge Management for Performance Excellence

Leadership for Performance Excellence

Building and Sustaining Quality and Performance Excellence

Filters

Exam 8: Measuring and Controlling Quality

Histograms allow you to distinguish between common and special causes of variation.

Common and special causes of variation must be eliminated before process capability can be determined.

For variable data,the two important quality measures are the proportion nonconforming and nonconformances per unit.

Which of the following pairs of charts are used together?

Short repeated patterns in a control chart,with alternating high peaks and low valleys,are known as:

In an attempt to solve the problem of tacked syringes,statistical consultants recommended _____ for the purpose of improving the tacking operation.

Discuss the problem associated with the tacked syringes at the final production step.

All else being constant,if the sample size in a p-chart increases from 100 to 120,the upper and lower control limits will:

The output of a process is stable and normally distributed.If the process mean equals 23.5,the percentage of output expected to be less than or equal to the mean:

If a process is neither capable nor in control,the appropriate first step is to:

Control limits for variables and attributes data utilize the same mathematical formulas.

When constructing a u-chart,the standard deviation of each sample varies because the size of the sampling unit varies.

Six samples of size 10 were collected.The data are provided in the following table: The upper control limit (UCL) and lower control limit (LCL) for an s-chart are:

Define each of the following control chart patterns.Include a sketch of each pattern with your definition. a.One point outside the control limits b.Sudden shift in the process average c.Cycles d.Trends e.Hugging the center line f.Hugging the control limits

If all sample averages on an -chart fall within the control limits,all output will be conforming.

Construct a flow chart that illustrates the decision process for selecting the appropriate control chart(s) for monitoring a given process.

Identify the tradeoffs associated with the s-chart instead of the R-chart.

Because of high test costs,a sample of single wastewater sludge is tested daily for dissolved oxygen content.The appropriate control chart is:

If the process mean and variance do not change over time,the process is considered to be:

Introduction to Quality

Foundations of Quality Management

Customer Focus

Workforce Focus

Process Focus

Statistical Methods in Quality Management

Design for Quality and Product Excellence

Process Improvement and Six Sigma

The Baldrige Framework for Performance Excellence

Strategy and Performance Excellence

Measurement and Knowledge Management for Performance Excellence

Leadership for Performance Excellence

Building and Sustaining Quality and Performance Excellence

Filters