Chapters 4-8

Question 0

XR

Answer 0

xbar and R

Question 1

MR

Answer 1

Moving Range

Question 2

UCL

Answer 2

Upper Control Limit

Question 3

LCL

Answer 3

Lower Control Limit

Question 4

Attribute data is best described by the term:
A. Trinomial distribution
B. Monomial distribution
C. Discrete distribution
D. None of the above

Answer 4

C. Discrete distribution

Question 5

You want a “tool” to help determine a “special cause”. The tool you choose is called a “Fishbone diagram”. Which of the following terms is NOT associated with this tool?
A. Methods B. Manpower C. Environment D. Economy

Answer 5

D. Economy

Question 6

Use an XR chart when:
A. Your boss tells you to
B. When your data are grouped in rational subgroups
C. When your data cannot be grouped into rational subgroups
D. As a default when you don’t know what else to do

Answer 6

B. When your data are grouped in rational subgroups

Question 7

NP Charts are used to plot what kind of data?
A. Measures of product quality such as purity and pH.
B. Counts of customer complaints
C. Proportions of rejected drums.
D. Quality audit compliance statistics

Answer 7

C. Proportions of rejected drums

Question 8

According to the Pareto principle, the 20% of the causes responsible for 80% of your problems are called:
A. The trivial many
B. The vital few
C. The misunderstood
D. The Pareto Pack

Answer 8

B. The vital few

Question 9

“C” Charts can be used to plot what kind of data?
A. Measures of product quality such as purity and pH.
B. Counts of customers complaints
C. Proportions of rejected drums
D. Quality audit compliance stastics

Answer 9

B. Counts of customer complaints

Question 10

A variable control chart:
A. Helps distinguish between common cause and special cause variation.
B. Helps distinguish between uncommon cause and special cause variation.
C. Helps distinguish between common cause and uncommon cause variations.
D. None of the Above

Answer 10

A. Helps distinguish between common cause and special cause variation.

Question 11

There are three (3) main rules for interpreting control charts. Which one of the following is NOT one of the rules?
A. Out of control
B. Negative slope
C. Shifts
D. Trends

Answer 11

B. Negative slope

Question 12

(T/F) Brainstorming is a tool used by a group to collect large amounts of ideas over a short period of time.

Answer 12

True

Question 13

What is the difference between an individuals control chart and an XR chart?
A. There is no difference
B. Individuals control charts use individual measurements. Whereas XR charts use averages of grouped measurements.
C. XR is easier to use.
D. Individuals control charts cannot be used by teams.

Answer 13

B. Individuals control charts use individual measurements. Whereas XR charts use averages of grouped measurements.

Question 14

(T/F) Fishbone diagrams can be used for guiding brainstorming activities as well as categorizing the results of brainstorming activities.

Answer 14

TRUE

Question 15

Brainstorming activities are carried out as a ______ activity.

Answer 15

group

Question 16

Correlation does \_\_\_\_\_\_\_ equal \_\_\_\_\_\_\_\_.
A. not - confusion
B. always - causation
C. not - causation
D. always - confusion

Answer 16

C. not - causation

Question 17

The term "regression" involves the "fitting of a line to the experimental data that have been collected". If, therefore, you have two variables and you want to see if there is a \_\_\_\_\_\_\_, you could use a regression analysis to determine if one exists.
A. Interpolation
B. Conflagration
C. Correlation
D. None of the above

Answer 17

C. Correlation

Question 18

The term “flowchart” is used to demonstrate a technique where we can ensure that “everybody possesses the same understanding on any given issue. One such illustration in the book involves the use of simple symbols to draw a flowchart for changing a flat tire. One such symbol is a circle. From the list below, identify another symbol used.
A. Triangle B. Diamond C. Ellipse D. None of the above

Answer 18

B. Diamond

Question 19

The xbar of a data set is 25.0 and the sigma/standard deviation = 1.14. From the following list of data points, indicate which points, if any, are “out of control”.
A. 28.1 B. 27.2 C. 21.5 D. All of the above

Answer 19

C. 21.5

Question 20

PDCA stands for Plan, Do, Check, Act. The definition in the book states: PDCA is a cycle used to generate \_\_\_\_ improvement.
A. General
B. Specific
C. Continuous
D. None of the above

Answer 20

C. Continuous

Question 21

The A2 factors were created to \_\_\_\_\_ the control limits based on the \_\_\_\_\_.
A. calculate - average
B. simulate - standard deviation
C. estimate - range
D. none of the above

Answer 21

C. estimate - range

Question 22

The two types of data encountered by Process Technicians are \_\_\_\_\_\_ & \_\_\_\_\_\_.
A. positive & negative
B. variable & non-variable
C. variable & attribute
D. none of the above

Answer 22

C. variable and attribute.

Question 23

In fishbone diagrams, what are the 4 M’s and E?

Answer 23

Methods, Manpower, Materials, Machines, and Environment

Question 24

Every process works on ________ improvement.

Answer 24

continuous

Question 25

If I use the wrong type of chart, it won’t cause much of a problem. (T/F)

Answer 25

True

Question 26

What example in the book is used to show that correlation does not equal causation?

Answer 26

U.S. Population vs brown pelican population

Question 28

NP Chart

Answer 28

Binomial Distribution, Constant sample size, Defectives