Question 1

Statistical quality control is a subset of statistical process control.

Accepted Answer

A) True 
 B)False

Question 2

The A2 factor includes how many standard deviations of ranges?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 6 
A) 1 
B) 2 
C) 3 
D) 4 
E) 6

Question 3

Which of the following is not associated with descriptive statistics?

Accepted Answer

A) mean 
B) standard deviation 
C) range 
D) proportion 
E) measure of the distribution of data 
A) mean 
B) standard deviation 
C) range 
D) proportion 
E) measure of the distribution of data

Question 4

Suppose that you have calculated the control limits for a p-chart to be the following: LCL = 0.02 and UCL = 0.08.
Today, you took 10 samples of 20 units each. The first nine samples each had one defect. The last sample had zero defects. What can you conclude?

Accepted Answer

A) the process is out of control 
B) the process is in a state of control 
C) the last sample should be ignored because it was "too good" 
D) you calculated the limits incorrectly because the LCL must be either negative or 0 
E) the sample size must be increased 
A) the process is out of control 
B) the process is in a state of control 
C) the last sample should be ignored because it was "too good" 
D) you calculated the limits incorrectly because the LCL must be either negative or 0 
E) the sample size must be increased

Question 5

What is the lower control limit for a c-chart if the average number of defects found over 320 samples is equal to 16?

Accepted Answer

A) 6.584 
B) 4 
C) 20 
D) 0 
E) 12 
A) 6.584 
B) 4 
C) 20 
D) 0 
E) 12

Question 6

Describe why service organizations have tended to lag manufacturing organization in the application of SQC.

Accepted Answer

The primary reason is that statistical q

Question 7

What is the formula for the sample standard deviation?

Accepted Answer

The answer of What is the formula for the sample...

Question 8

Descriptive statistics are used to describe quality characteristics and relationships.

Accepted Answer

A) True 
 B)False

Question 9

Six-sigma quality implies how many average defects per million?

Accepted Answer

A) 3.4 
B) 6 
C) 2600 
D) 3F1F1F1S1F1F1F10 
E) 6F1F1F1S1F1F1F10 
A) 3.4 
B) 6 
C) 2600 
D) 3F1F1F1S1F1F1F10 
E) 6F1F1F1S1F1F1F10

Question 10

The probability of rejecting a lot or batch of products whose proportion of defective items is not greater than AQL is called producer's risk because ____________________.

Accepted Answer

they discard products that con

Question 11

What is the only service company to have won the Malcolm Baldrige National Quality Award twice?

Accepted Answer

A) Marriott 
B) Nordstrom Department Stores 
C) Wal-Mart 
D) Ritz-Carlton 
E) Northwest Airlines 
A) Marriott 
B) Nordstrom Department Stores 
C) Wal-Mart 
D) Ritz-Carlton 
E) Northwest Airlines

Question 12

A small range and large standard deviation imply that data observations are closely clustered around the mean.

Accepted Answer

A) True 
 B)False

Question 13

Product tolerances are often called

Accepted Answer

A) SPC 
B) Product drawings 
C) Product descriptions 
D) Process capability 
E) Product specifications 
A) SPC 
B) Product drawings 
C) Product descriptions 
D) Process capability 
E) Product specifications

Question 14

What is the probability of a Type I error for a control chart with limits set at F1F1F1S1F1F1F10 3 standard deviations from the mean?

Accepted Answer

A) 0.00% 
B) 0.26% 
C) 4.56% 
D) 20.00% 
E) 50.00% 
A) 0.00% 
B) 0.26% 
C) 4.56% 
D) 20.00% 
E) 50.00%

Question 15

What is the formula for the process capability index Cp?

Accepted Answer

A) process width / specification width 
B) specification width F1F1F1S1F1F1F10 process width 
C) specification width / Type I error 
D) specification width / process width 
E) specification width / 99.74% 
A) process width / specification width 
B) specification width F1F1F1S1F1F1F10 process width 
C) specification width / Type I error 
D) specification width / process width 
E) specification width / 99.74%

Question 16

What is the formula for an x-bar chart's control limits?

Accepted Answer

The answer of What is the formula for an x-bar...

Question 17

Increasing the number of standard deviations on which control chart limits are based will decrease the Type I error.

Accepted Answer

A) True 
 B)False

Question 18

What is the first step that should be taken if an observation falls below the lower control limit on a control chart?

Accepted Answer

A) Recalibrate the machine 
B) Perform a new process capability study 
C) Try a larger standard deviation value 
D) Search for assignable causes 
E) Nothing-a low value is a "good" thing 
A) Recalibrate the machine 
B) Perform a new process capability study 
C) Try a larger standard deviation value 
D) Search for assignable causes 
E) Nothing-a low value is a "good" thing

Question 19

Given a sample size of 2, the lower limit for the R-chart is 0.

Accepted Answer

A) True 
 B)False

Question 20

What technique answers the question of whether the process is functioning properly or not?

Accepted Answer

A) Fishbone diagramming 
B) Acceptance sampling 
C) Statistical process control 
D) Scatter plotting 
E) Experimental design 
A) Fishbone diagramming 
B) Acceptance sampling 
C) Statistical process control 
D) Scatter plotting 
E) Experimental design

Statistical quality control is a subset of statistical process control.

The A₂ factor includes how many standard deviations of ranges?

Which of the following is not associated with descriptive statistics?

Suppose that you have calculated the control limits for a p-chart to be the following: LCL = 0.02 and UCL = 0.08. Today, you took 10 samples of 20 units each. The first nine samples each had one defect. The last sample had zero defects. What can you conclude?

What is the lower control limit for a c-chart if the average number of defects found over 320 samples is equal to 16?

Describe why service organizations have tended to lag manufacturing organization in the application of SQC.

What is the formula for the sample standard deviation?

Descriptive statistics are used to describe quality characteristics and relationships.

Six-sigma quality implies how many average defects per million?

The probability of rejecting a lot or batch of products whose proportion of defective items is not greater than AQL is called producer's risk because ____________________.

What is the only service company to have won the Malcolm Baldrige National Quality Award twice?

A small range and large standard deviation imply that data observations are closely clustered around the mean.

Product tolerances are often called

What is the probability of a Type I error for a control chart with limits set at  3 standard deviations from the mean?

What is the formula for the process capability index C_p?

What is the formula for an x-bar chart's control limits?

Increasing the number of standard deviations on which control chart limits are based will decrease the Type I error.

What is the first step that should be taken if an observation falls below the lower control limit on a control chart?

Given a sample size of 2, the lower limit for the R-chart is 0.

What technique answers the question of whether the process is functioning properly or not?

Introduction to Operations Management

Operations Strategy and Competitiveness

Product Design and Process Selection

E-Commerce and Supply Chain Management

Total Quality Management

Just-In-Time and Lean Systems

Forecasting

Capacity Planning and Facility Location

Facility Layout

Work System Design

Independent Demand Inventory Management

Aggregate Planning

Resource Planning

Scheduling

Project Management

Spreadsheet Modeling: an Introduction

Spreadsheet Modeling: an Introduction

Waiting Line Models

Master Scheduling and Rough-Cut Capacity Planning

Filters

Exam 6: Statistical Quality Control

Statistical quality control is a subset of statistical process control.

The A2 factor includes how many standard deviations of ranges?

Which of the following is not associated with descriptive statistics?

Suppose that you have calculated the control limits for a p-chart to be the following: LCL = 0.02 and UCL = 0.08. Today, you took 10 samples of 20 units each. The first nine samples each had one defect. The last sample had zero defects. What can you conclude?

What is the lower control limit for a c-chart if the average number of defects found over 320 samples is equal to 16?

Describe why service organizations have tended to lag manufacturing organization in the application of SQC.

What is the formula for the sample standard deviation?

Descriptive statistics are used to describe quality characteristics and relationships.

Six-sigma quality implies how many average defects per million?

The probability of rejecting a lot or batch of products whose proportion of defective items is not greater than AQL is called producer's risk because ____________________.

What is the only service company to have won the Malcolm Baldrige National Quality Award twice?

A small range and large standard deviation imply that data observations are closely clustered around the mean.

Product tolerances are often called

What is the probability of a Type I error for a control chart with limits set at  3 standard deviations from the mean?

What is the formula for the process capability index Cp?

What is the formula for an x-bar chart's control limits?

Increasing the number of standard deviations on which control chart limits are based will decrease the Type I error.

What is the first step that should be taken if an observation falls below the lower control limit on a control chart?

Given a sample size of 2, the lower limit for the R-chart is 0.

What technique answers the question of whether the process is functioning properly or not?

Introduction to Operations Management

Operations Strategy and Competitiveness

Product Design and Process Selection

E-Commerce and Supply Chain Management

Total Quality Management

Just-In-Time and Lean Systems

Forecasting

Capacity Planning and Facility Location

Facility Layout

Work System Design

Independent Demand Inventory Management

Aggregate Planning

Resource Planning

Scheduling

Project Management

Spreadsheet Modeling: an Introduction

Spreadsheet Modeling: an Introduction

Waiting Line Models

Master Scheduling and Rough-Cut Capacity Planning

Filters

The A₂ factor includes how many standard deviations of ranges?

What is the formula for the process capability index C_p?