Question 1

When should 100% inspection be used?

Accepted Answer

A) Whenever attributes are being measured 
B) When the expected cost of a defective item exceeds the cost of inspecting a unit 
C) With destructive testing 
D) When the cost of inspecting a unit exceeds the expected cost of a defective item 
E) 100% inspection should never be used 
A) Whenever attributes are being measured 
B) When the expected cost of a defective item exceeds the cost of inspecting a unit 
C) With destructive testing 
D) When the cost of inspecting a unit exceeds the expected cost of a defective item 
E) 100% inspection should never be used

Question 2

On a control chart, what separates common from assignable causes of variation?

Accepted Answer

A) x-bar lines 
B) Control limits 
C) Specification limits 
D) Production limits 
E) Mean divided by standard deviation 
A) x-bar lines 
B) Control limits 
C) Specification limits 
D) Production limits 
E) Mean divided by standard deviation

Question 3

The term for "inspecting a random sample of an output from process, within range and functioning properly" is Statistical Process Control

Accepted Answer

A) True 
 B)False

Question 4

Define statistical process control.

Accepted Answer

a technique that ans

Question 5

What is the upper control limit for a c-chart if the total defects found over 200 samples equals 32?

Accepted Answer

A) 1.36 
B) 13.75 
C) 0.56 
D) 25.00 
E) 48.97 
A) 1.36 
B) 13.75 
C) 0.56 
D) 25.00 
E) 48.97

Question 6

Assuming that data exhibit a normal distribution, control limits set at F1F1F1S1F1F1F10 3 standard deviations from the mean capture how much common variation?

Accepted Answer

A) 50.00% 
B) 80.00% 
C) 95.44% 
D) 99.74% 
E) 99.99% 
A) 50.00% 
B) 80.00% 
C) 95.44% 
D) 99.74% 
E) 99.99%

Question 7

What is a distribution called when the same numbers of observations are below the mean as are above the mean?

Accepted Answer

A) Proportional 
B) Equalized 
C) Wholly Uniform 
D) Balanced 
E) Symmetric 
A) Proportional 
B) Equalized 
C) Wholly Uniform 
D) Balanced 
E) Symmetric

Question 8

Compute the Cpk measure of process capability for the following machine and interpret the findings. What value would you have obtained with the Cp measure?
Upper spec limit = 100 feet
Lower spec limit = 99.5 feet
Process F1F1F1S1F1F1F10 = 99.8 feet
Process F1F1F1S1F1F1F10 = .08 feet

Accepted Answer

Question 9

An important task in quality control is to find out the range of natural random variation in a process.

Accepted Answer

A) True 
 B)False

Question 10

The person that comes from the top ranks of the organization and is responsible for providing direction and overseeing all aspects of a six-sigma implementation process is called a ________________________.

Accepted Answer

A) general 
B) admiral 
C) director 
D) producer 
E) champion 
A) general 
B) admiral 
C) director 
D) producer 
E) champion

Question 11

Statistical process control tools are used most frequently because

Accepted Answer

A) they are mathematically based 
B) they are helpful in measuring and evaluating the quality of products 
C) they are helpful in measuring and evaluating the customers' needs 
D) they are qualitative evaluation techniques 
E) they provide a definitive ROI calculation 
A) they are mathematically based 
B) they are helpful in measuring and evaluating the quality of products 
C) they are helpful in measuring and evaluating the customers' needs 
D) they are qualitative evaluation techniques 
E) they provide a definitive ROI calculation

Question 12

For the standard normal distribution, how much confidence is provided within 2 standard deviations above and below the mean?

Accepted Answer

A) 97.22% 
B) 95.44% 
C) 99.74% 
D) 99.87% 
E) 90.00% 
A) 97.22% 
B) 95.44% 
C) 99.74% 
D) 99.87% 
E) 90.00%

Question 13

A variable is a product characteristic that has a discrete value and can be counted.

Accepted Answer

A) True 
 B)False

Question 14

An x-bar chart is an example of what?

Accepted Answer

A) Traditional statistical tools 
B) Fishbone diagramming 
C) Acceptance sampling 
D) Experimental design 
E) Statistical process control 
A) Traditional statistical tools 
B) Fishbone diagramming 
C) Acceptance sampling 
D) Experimental design 
E) Statistical process control

Question 15

Johnson Enterprises sells no-spill syrup in bottles. Management is evaluating four different machines with standard deviations of .006, .01, .022, and .04 ounces for Machines A, B, C, and D, respectively. The specification limits 11.95 and 12.05 ounces. Which machines should receive more detailed evaluation, i.e. which are statistically "capable?"

Accepted Answer

The answer of Johnson Enterprises sells no-spill syrup in bottles....

Question 16

The probability of shipping a lot or batch of products whose proportion of defective items is greater than LTPD is called consumer's risk because ______________________.

Accepted Answer

they pay the cost of

Question 17

Setting up control charts to monitor whether a process is in control

Accepted Answer

A) guarantees process capability 
B) guarantees process specifications 
C) does not guarantee process capability 
D) does not guarantee product specification 
E) guarantees meeting client needs 
A) guarantees process capability 
B) guarantees process specifications 
C) does not guarantee process capability 
D) does not guarantee product specification 
E) guarantees meeting client needs

Question 18

The Six Sigma approach is organized around a _______ plan known as ________.

Accepted Answer

A) four step, PDAC 
B) four step, DMAC 
C) five step PDACR 
D) five step DMAIC 
E) five step, DMCRA 
A) four step, PDAC 
B) four step, DMAC 
C) five step PDACR 
D) five step DMAIC 
E) five step, DMCRA

Question 19

What measures the central tendency of a set of data?

Accepted Answer

A) Coefficient of variation 
B) Variance 
C) Standard deviation 
D) Mean 
E) Range 
A) Coefficient of variation 
B) Variance 
C) Standard deviation 
D) Mean 
E) Range

Question 20

Define control limits.

Accepted Answer

On a control chart,

When should 100% inspection be used?

On a control chart, what separates common from assignable causes of variation?

The term for "inspecting a random sample of an output from process, within range and functioning properly" is Statistical Process Control

Define statistical process control.

What is the upper control limit for a c-chart if the total defects found over 200 samples equals 32?

Assuming that data exhibit a normal distribution, control limits set at  3 standard deviations from the mean capture how much common variation?

What is a distribution called when the same numbers of observations are below the mean as are above the mean?

Compute the C_pk measure of process capability for the following machine and interpret the findings. What value would you have obtained with the C_p measure? Upper spec limit = 100 feet Lower spec limit = 99.5 feet Process  = 99.8 feet Process  = .08 feet

An important task in quality control is to find out the range of natural random variation in a process.

The person that comes from the top ranks of the organization and is responsible for providing direction and overseeing all aspects of a six-sigma implementation process is called a ________________________.

Statistical process control tools are used most frequently because

For the standard normal distribution, how much confidence is provided within 2 standard deviations above and below the mean?

A variable is a product characteristic that has a discrete value and can be counted.

An x-bar chart is an example of what?

The probability of shipping a lot or batch of products whose proportion of defective items is greater than LTPD is called consumer's risk because ______________________.

Setting up control charts to monitor whether a process is in control

The Six Sigma approach is organized around a _ plan known as __.

What measures the central tendency of a set of data?

Define control limits.

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

When should 100% inspection be used?

On a control chart, what separates common from assignable causes of variation?

The term for "inspecting a random sample of an output from process, within range and functioning properly" is Statistical Process Control

Define statistical process control.

What is the upper control limit for a c-chart if the total defects found over 200 samples equals 32?

Assuming that data exhibit a normal distribution, control limits set at  3 standard deviations from the mean capture how much common variation?

What is a distribution called when the same numbers of observations are below the mean as are above the mean?

Compute the Cpk measure of process capability for the following machine and interpret the findings. What value would you have obtained with the Cp measure? Upper spec limit = 100 feet Lower spec limit = 99.5 feet Process  = 99.8 feet Process  = .08 feet

An important task in quality control is to find out the range of natural random variation in a process.

The person that comes from the top ranks of the organization and is responsible for providing direction and overseeing all aspects of a six-sigma implementation process is called a ________________________.

Statistical process control tools are used most frequently because

For the standard normal distribution, how much confidence is provided within 2 standard deviations above and below the mean?

A variable is a product characteristic that has a discrete value and can be counted.

An x-bar chart is an example of what?

The probability of shipping a lot or batch of products whose proportion of defective items is greater than LTPD is called consumer's risk because ______________________.

Setting up control charts to monitor whether a process is in control

The Six Sigma approach is organized around a _______ plan known as ________.

What measures the central tendency of a set of data?

Define control limits.

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

Compute the C_pk measure of process capability for the following machine and interpret the findings. What value would you have obtained with the C_p measure? Upper spec limit = 100 feet Lower spec limit = 99.5 feet Process  = 99.8 feet Process  = .08 feet

The Six Sigma approach is organized around a _ plan known as __.