Question 1

SMED establishes ways to eliminate unnecessary housekeeping aspects of a work environment.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following is not part of the Shewhart-Deming cycle?

Accepted Answer

A) Plan 
B) Do 
C) React 
D) Act 
A) Plan 
B) Do 
C) React 
D) Act

Question 3

SCENARIO 19-5
A manufacturer of computer disks took samples of 240 disks on 15 consecutive days.The number of disks with bad sectors was determined for each of these samples.The results are in the table that follows.
  
-Referring to Scenario 19-5,the process seems to be in control.

Accepted Answer

A) True 
 B)False

Question 4

SCENARIO 19-7
A supplier of silicone sheets for producers of computer chips wants to evaluate her manufacturing process.She takes samples of size 5 from each day's output and counts the number of blemishes on each silicone sheet.The results from 20 days of such evaluations are presented below.
  She also decides that the upper specification limit is 10 blemishes.
-Referring to Scenario 19-7,construct an R chart for the number of blemishes.

Accepted Answer

The answer of SCENARIO 19-7
A supplier of silicone sheets for...

Question 5

Cp  >1 indicates that if the process average can be centered,then more than 99.73% of the observations will fall inside the specification limits.

Accepted Answer

A) True 
 B)False

Question 6

SCENARIO 19-7
A supplier of silicone sheets for producers of computer chips wants to evaluate her manufacturing process.She takes samples of size 5 from each day's output and counts the number of blemishes on each silicone sheet.The results from 20 days of such evaluations are presented below.
  She also decides that the upper specification limit is 10 blemishes.
-Referring to Scenario 19-7,what percentage of the chips will fall below the upper specification limit?

Accepted Answer

The answer of SCENARIO 19-7
A supplier of silicone sheets for...

Question 7

Changes in the system to reduce common cause variation are the responsibility of management.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following situations suggests a process that appears to be operating out of statistical control?

Accepted Answer

A) A control chart with a series of consecutive points that are above the center line and a series of consecutive points that are below the center line. 
B) A control chart in which points fall outside the lower control limit. 
C) A control chart in which several points fall outside the upper control limit. 
D) All of the above. 
A) A control chart with a series of consecutive points that are above the center line and a series of consecutive points that are below the center line. 
B) A control chart in which points fall outside the lower control limit. 
C) A control chart in which several points fall outside the upper control limit. 
D) All of the above.

Question 9

SCENARIO 19-9
The manufacturer of canned food constructed control charts and analyzed several quality characteristics.One characteristic of interest is the weight of the filled cans.The lower specification limit for weight is 2.95 pounds.The table below provides the range and mean of the weights of five cans tested every fifteen minutes during a day's production.
 
-Referring to Scenario 19-9,construct an R chart for the time required to register.

Accepted Answer

The answer of SCENARIO 19-9
The manufacturer of canned food constructed...

Question 10

SCENARIO 19-8
Recently,a university switched to a new type of computer-based registration.The registrar is concerned with the amount of time students are spending on the computer registering under the new system.She decides to randomly select 8 students on each of the 12 days of the registration and determine the time each spends on the computer registering.The range,mean,and standard deviation of the times required to register are in the table that follows.
  
-Referring to Scenario 19-8,an R chart is to be constructed for the time required to register.The upper control limit for this data set is .

Accepted Answer

The answer of SCENARIO 19-8
Recently,a university switched to a new...

Question 11

SCENARIO 19-7
A supplier of silicone sheets for producers of computer chips wants to evaluate her manufacturing process.She takes samples of size 5 from each day's output and counts the number of blemishes on each silicone sheet.The results from 20 days of such evaluations are presented below.
  She also decides that the upper specification limit is 10 blemishes.
-Referring to Scenario 19-7,an R chart is to be constructed for the number of blemishes.The upper control limit for this data set is .

Accepted Answer

The answer of SCENARIO 19-7
A supplier of silicone sheets for...

Question 12

Treating common cause variation as special cause variation is known as interference.

Accepted Answer

A) True 
 B)False

Question 13

SCENARIO 19-10
Below is the number of defective items from a production line over twenty consecutive morning shifts.
  
-Referring to Scenario 19-10,based on the c chart,it appears that the process is out of control.

Accepted Answer

A) True 
 B)False

Question 14

SCENARIO 19-1
A local newspaper has 10 delivery boys who each deliver the morning paper to 50 customers every day.The owner decides to record the number of papers delivered on time for a 10-day period for one of the delivery boys and construct a p chart to see whether the percentage is too erratic.
 
-Referring to Scenario 19-1,what is the numerical value of the upper control limit for the p chart?

Accepted Answer

A) 0.926 
B) 0.961 
C) 0.979 
D) 1.037 
A) 0.926 
B) 0.961 
C) 0.979 
D) 1.037

Question 15

Which of the following is not part of the DMAIC process in Six Sigma management?

Accepted Answer

A) Define 
B) Do 
C) Analyze 
D) Control 
A) Define 
B) Do 
C) Analyze 
D) Control

Question 16

The control limits are based on the standard deviation of the process.

Accepted Answer

A) True 
 B)False

Question 17

SCENARIO 19-8
Recently,a university switched to a new type of computer-based registration.The registrar is concerned with the amount of time students are spending on the computer registering under the new system.She decides to randomly select 8 students on each of the 12 days of the registration and determine the time each spends on the computer registering.The range,mean,and standard deviation of the times required to register are in the table that follows.
  
-Referring to Scenario 19-8,an x̄ chart is to be used for the time required to register.The center line of this chart is located at .

Accepted Answer

The answer of SCENARIO 19-8
Recently,a university switched to a new...

Question 18

Poke-Yoke devices establish ways to clean and maintain the necessary housekeeping aspects of a work environment.

Accepted Answer

A) True 
 B)False

SMED establishes ways to eliminate unnecessary housekeeping aspects of a work environment.

Which of the following is not part of the Shewhart-Deming cycle?

SCENARIO 19-5 A manufacturer of computer disks took samples of 240 disks on 15 consecutive days.The number of disks with bad sectors was determined for each of these samples.The results are in the table that follows. -Referring to Scenario 19-5,the process seems to be in control.

C_p >1 indicates that if the process average can be centered,then more than 99.73% of the observations will fall inside the specification limits.

Changes in the system to reduce common cause variation are the responsibility of management.

Which of the following situations suggests a process that appears to be operating out of statistical control?

Treating common cause variation as special cause variation is known as interference.

SCENARIO 19-10 Below is the number of defective items from a production line over twenty consecutive morning shifts. -Referring to Scenario 19-10,based on the c chart,it appears that the process is out of control.

Which of the following is not part of the DMAIC process in Six Sigma management?

The control limits are based on the standard deviation of the process.

Poke-Yoke devices establish ways to clean and maintain the necessary housekeeping aspects of a work environment.

Defining and Collecting Data

Organizing and Visualizing Variables

Numerical Descriptive Measures

Basic Probability

Discrete Probability Distributions

The Normal Distribution and Other Continuous Distributions

Sampling Distributions

Confidence Interval Estimation

Fundamentals of Hypothesis Testing: One-Sample Tests

Two-Sample Tests

Analysis of Variance

Chi-Square and Nonparametric Tests

Simple Linear Regression

Introduction to Multiple Regression

Multiple Regression Model Building

Time-Series Forecasting

Business Analytics

A Roadmap for Analyzing Data

Decision Making

Getting Started: Important Things to Learn First

Binomial Distribution and Normal Approximation

Filters

Exam 19: Statistical Applications in Quality Management

SMED establishes ways to eliminate unnecessary housekeeping aspects of a work environment.

Which of the following is not part of the Shewhart-Deming cycle?

SCENARIO 19-5 A manufacturer of computer disks took samples of 240 disks on 15 consecutive days.The number of disks with bad sectors was determined for each of these samples.The results are in the table that follows. -Referring to Scenario 19-5,the process seems to be in control.

Cp >1 indicates that if the process average can be centered,then more than 99.73% of the observations will fall inside the specification limits.

Changes in the system to reduce common cause variation are the responsibility of management.

Which of the following situations suggests a process that appears to be operating out of statistical control?

Treating common cause variation as special cause variation is known as interference.

SCENARIO 19-10 Below is the number of defective items from a production line over twenty consecutive morning shifts. -Referring to Scenario 19-10,based on the c chart,it appears that the process is out of control.

Which of the following is not part of the DMAIC process in Six Sigma management?

The control limits are based on the standard deviation of the process.

Poke-Yoke devices establish ways to clean and maintain the necessary housekeeping aspects of a work environment.

Defining and Collecting Data

Organizing and Visualizing Variables

Numerical Descriptive Measures

Basic Probability

Discrete Probability Distributions

The Normal Distribution and Other Continuous Distributions

Sampling Distributions

Confidence Interval Estimation

Fundamentals of Hypothesis Testing: One-Sample Tests

Two-Sample Tests

Analysis of Variance

Chi-Square and Nonparametric Tests

Simple Linear Regression

Introduction to Multiple Regression

Multiple Regression Model Building

Time-Series Forecasting

Business Analytics

A Roadmap for Analyzing Data

Decision Making

Getting Started: Important Things to Learn First

Binomial Distribution and Normal Approximation

Filters

C_p >1 indicates that if the process average can be centered,then more than 99.73% of the observations will fall inside the specification limits.