Deck 1: Defining and Collecting Data

Question 1

SCENARIO 1-1
The manager of the customer service division of a major consumer electronics company is interested
in determining whether the customers who have purchased a Blu-ray player made by the company
over the past 12 months are satisfied with their products.
Referring to Scenario 1-1, the possible responses to the question "How much time do you use the
Blu-ray player every week on the average?" result in

A) a nominal scale variable.
B) an ordinal scale variable.
C) an interval scale variable.
D) a ratio scale variable.

Answer 1

D

Question 2

Which of the following is a continuous quantitative (numerical)variable?

A) The color of a student's eyes
B) The number of employees of an insurance company
C) The amount of milk in a 2-liter carton.
D) The number of gallons of milk sold at the local grocery store yesterday

Answer 2

C

Question 3

SCENARIO 1-1
The manager of the customer service division of a major consumer electronics company is interested
in determining whether the customers who have purchased a Blu-ray player made by the company
over the past 12 months are satisfied with their products.
Referring to Scenario 1-1, the possible responses to the question "How would you rate the quality
Of your purchase experience with 1 = excellent, 2 = good, 3 = decent, 4 = poor, 5 = terrible?" are
Values from a

A) discrete numerical variable.
B) continuous numerical variable.
C) categorical variable.
D) table of random numbers.

Answer 3

C

Question 4

SCENARIO 1-1
The manager of the customer service division of a major consumer electronics company is interested
in determining whether the customers who have purchased a Blu-ray player made by the company
over the past 12 months are satisfied with their products.
Referring to Scenario 1-1, the possible responses to the question "How much time do you use the
Blu-ray player every week on the average?" are values from a

A) discrete numerical variable.
B) continuous numerical variable.
C) categorical variable.
D) table of random numbers.

Question 5

SCENARIO 1-1
The manager of the customer service division of a major consumer electronics company is interested
in determining whether the customers who have purchased a Blu-ray player made by the company
over the past 12 months are satisfied with their products.
Referring to Scenario 1-1, the possible responses to the question "Are you happy, indifferent, or
Unhappy with the performance per dollar spent on the Blu-ray player?" result in
1-6 Defining and Collecting Data

A) a nominal scale variable.
B) an ordinal scale variable.
C) an interval scale variable.
D) a ratio scale variable.

Question 6

SCENARIO 1-1
The manager of the customer service division of a major consumer electronics company is interested
in determining whether the customers who have purchased a Blu-ray player made by the company
over the past 12 months are satisfied with their products.
Referring to Scenario 1-1, the possible responses to the question "In which year were you born?"
Are values from a

A) discrete numerical variable.
B) continuous numerical variable.
C) categorical variable.
D) table of random numbers.

Question 7

The classification of student major (accounting, economics, management, marketing, other)is an
Example of

A) a categorical variable.
B) a discrete variable.
C) a continuous variable.
D) a table of random numbers.

Question 8

SCENARIO 1-1
The manager of the customer service division of a major consumer electronics company is interested
in determining whether the customers who have purchased a Blu-ray player made by the company
over the past 12 months are satisfied with their products.
Referring to Scenario 1-1, the possible responses to the question "What is your annual income
Rounded to the nearest thousands?" are values from a

A) discrete numerical variable.
B) continuous numerical variable.
C) categorical variable.
D) table of random numbers.

Question 9

Which of the following is a discrete quantitative (numerical)variable?

A) The Dow Jones Industrial average
B) The volume of water released from a dam
C) The distance you drove yesterday.
D) The number of employees of an insurance company

Question 10

The classification of student class designation (freshman, sophomore, junior, senior)is an
Example of

A) a categorical variable.
B) a discrete variable.
C) a continuous variable.
D) a table of random numbers.

Question 11

SCENARIO 1-1
The manager of the customer service division of a major consumer electronics company is interested
in determining whether the customers who have purchased a Blu-ray player made by the company
over the past 12 months are satisfied with their products.
Referring to Scenario 1-1, the possible responses to the question "Are you happy, indifferent, or
Unhappy with the performance per dollar spent on the Blu-ray player?" are values from a

A) discrete numerical variable.
B) continuous numerical variable.
C) categorical variable.
D) table of random numbers.

Question 12

Researchers are concerned that the weight of the average American school child is increasing
Implying, among other things, that children's clothing should be manufactured and marketed in
Larger sizes.If X is the weight of school children sampled in a nationwide study, then X is an
Example of

A) a categorical variable.
B) a discrete variable.
C) a continuous variable.
D) a table of random numbers.

Question 13

To monitor campus security, the campus police office is taking a survey of the number of
Students in a parking lot each 30 minutes of a 24-hour period with the goal of determining when
Patrols of the lot would serve the most students.If X is the number of students in the lot each
Period of time, then X is an example of

A) a categorical variable.
B) a discrete variable.
C) a continuous variable.
D) a statistic.

Question 14

SCENARIO 1-1
The manager of the customer service division of a major consumer electronics company is interested
in determining whether the customers who have purchased a Blu-ray player made by the company
over the past 12 months are satisfied with their products.
Referring to Scenario 1-1, the possible responses to the question "How many people are there in
Your household?" are values from a

A) discrete numerical variable.
B) continuous numerical variable.
C) categorical variable.
D) table of random numbers.

Question 15

SCENARIO 1-1
The manager of the customer service division of a major consumer electronics company is interested
in determining whether the customers who have purchased a Blu-ray player made by the company
over the past 12 months are satisfied with their products.
Referring to Scenario 1-1, the possible responses to the question "What brand of Blu-ray player
Did you purchase?" are values from a

A) discrete numerical variable.
B) continuous numerical variable.
C) categorical variable.
D) table of random numbers.

Question 16

SCENARIO 1-1
The manager of the customer service division of a major consumer electronics company is interested
in determining whether the customers who have purchased a Blu-ray player made by the company
over the past 12 months are satisfied with their products.
Referring to Scenario 1-1, the possible responses to the question "How many Blu-ray players
Made by other manufacturers have you used?" are values from a

A) discrete variable.
B) continuous variable.
C) categorical variable.
D) table of random numbers.

Question 17

SCENARIO 1-1
The manager of the customer service division of a major consumer electronics company is interested
in determining whether the customers who have purchased a Blu-ray player made by the company
over the past 12 months are satisfied with their products.
Referring to Scenario 1-1, the possible responses to the question "What is your annual income
Rounded to the nearest thousands?" result in

A) a nominal scale variable.
B) an ordinal scale variable.
C) an interval scale variable.
D) a ratio scale variable.

Question 18

SCENARIO 1-1
The manager of the customer service division of a major consumer electronics company is interested
in determining whether the customers who have purchased a Blu-ray player made by the company
over the past 12 months are satisfied with their products.
Referring to Scenario 1-1, the possible responses to the question "How many Blu-ray player s
Made by other manufacturers have you used?" result in

A) a nominal scale variable.
B) an ordinal scale variable.
C) an interval scale variable.
D) a ratio scale variable.

Question 19

The chancellor of a major university was concerned about alcohol abuse on her campus and
Wanted to find out the proportion of students at her university who visited campus bars on the
Weekend before the final exam week.Her assistant took a random sample of 250 students.The
Answer on "whether you visited campus bars on the weekend before the final exam week" from
Students in the sample is an example of __________.

A) a categorical variable.
B) a discrete variable.
C) a continuous variable.
D) a table of random numbers.

Question 20

SCENARIO 1-1
The manager of the customer service division of a major consumer electronics company is interested
in determining whether the customers who have purchased a Blu-ray player made by the company
over the past 12 months are satisfied with their products.
Referring to Scenario 1-1, the possible responses to the question "Out of a 100 point score with
100 being the highest and 0 being the lowest, what is your satisfaction level on the videocassette
Recorder that you purchased?" are values from a

A) discrete numerical variable.
B) continuous numerical variable.
C) categorical variable.
D) table of random numbers.

Question 21

EXPLANATION: The rating is ordinal scale not an interval scale because the difference in rating
between "excellent" and "good" does not have to be the same as the difference between "poor" and
"terrible".
KEYWORDS: ordinal scale, types of data
Referring to Scenario 1-1, the possible responses to the question "Out of a 100 point score with
100 being the highest and 0 being the lowest, what is your satisfaction level with the Blu-ray
Player that you purchased?" result in

A) a nominal scale variable.
B) an ordinal scale variable.
C) an interval scale variable.
D) a ratio scale variable.

Question 22

True or False: The answer to the question "How do you rate the quality of your business statistics
course" is an example of an ordinal scaled variable.

Question 23

EXPLANATION: The rating is ordinal scale not an interval scale because the difference in rating
between "excellent" and "good" does not have to be the same as the difference between "poor" and
"terrible".
KEYWORDS: ordinal scale, types of data
Referring to Scenario 1-1, the possible responses to the question "What brand of Blu-ray player
Did you purchase?" result in

A) a nominal scale variable.
B) an ordinal scale variable.
C) an interval scale variable.
D) a ratio scale variable.

Question 24

An insurance company evaluates many numerical variables about a person before deciding on an
appropriate rate for automobile insurance.The distance a person drives in a year is an example of
a _______ variable.

Question 25

An insurance company evaluates many numerical variables about a person before deciding on an
appropriate rate for automobile insurance.The number of tickets a person has received in the last
3 years is an example of a _______ numerical variable.

Question 26

SCENARIO 1-1
The manager of the customer service division of a major consumer electronics company is interested
in determining whether the customers who have purchased a Blu-ray player made by the company
over the past 12 months are satisfied with their products.
Referring to Scenario 1-1, the possible responses to the question "How many people are there in
Your household?" result in

A) a nominal scale variable.
B) an ordinal scale variable.
C) an interval scale variable.
D) a ratio scale variable.

Question 27

SCENARIO 1-1
The manager of the customer service division of a major consumer electronics company is interested
in determining whether the customers who have purchased a Blu-ray player made by the company
over the past 12 months are satisfied with their products.
Referring to Scenario 1-1, the possible responses to the question "How would you rate the quality
Of your purchase experience with 1 = excellent, 2 = good, 3 = decent, 4 = poor, 5 = terrible?"
Result in

A) a nominal scale variable.
B) an ordinal scale variable.
C) an interval scale variable.
D) a ratio scale variable.

Question 28

True or False: A continuous variable may take on any value within its relevant range even though
the measurement device may not be precise enough to record it.

Question 29

True or False: The answer to the question "What is your sleeping bag temperature rating?" is an
example of a ratio scaled variable.

Question 30

True or False: Student grades (A to F)are an example of continuous numerical data.

Question 31

True or False: The possible responses to the question "How many times in the past three months
have you visited a city park?" are values from a discrete variable.

Question 32

True or False: The amount of coffee consumed by an individual in a day is an example of a
discrete numerical variable.

Question 33

An insurance company evaluates many numerical variables about a person before deciding on an
appropriate rate for automobile insurance.A person's age is an example of a _______ numerical
variable.

Question 34

True or False: The answer to the question "How many hours on average do you spend watching
TV every week?" is an example of a ratio scaled variable.

Question 35

True or False: The answer to the question "What is your favorite color?" is an example of an
ordinal scaled variable.

Question 36

True or False: The possible responses to the question "How long have you been living at your
current residence?" are values from a continuous variable.

Question 37

An insurance company evaluates many numerical variables about a person before deciding on an
appropriate rate for automobile insurance.The number of claims a person has made in the last 3
years is an example of a _______ numerical variable.

Question 38

An insurance company evaluates many numerical variables about a person before deciding on an
appropriate rate for automobile insurance.How long a person has been a licensed driver is an
example of a _______ numerical variable.

Question 39

True or False: Faculty rank (professor to lecturer)is an example of discrete numerical data.

Question 40

EXPLANATION: The rating is interval scale not ordinal scale because the difference in rating
between "80" and "90" can be treated as the same as the difference between "30" and "40" but a
rating of "80" does not imply twice the level of satisfaction level as a rating of "40".
KEYWORDS: interval scale, types of data
1-8 Defining and Collecting Data
Referring to Scenario 1-1, the possible responses to the question "What is your age at last
Birthday?" result in

A) a nominal scale variable.
B) an ordinal scale variable.
C) an interval scale variable.
D) a ratio scale variable.

Question 41

A personal computer user survey was conducted.Hours of personal computer use per week is an
example of a _______ numerical variable

Question 42

The Dean of Students conducted a survey on campus.Major area of study is an example of a
_______ variable.

Question 43

In purchasing an automobile, there are a number of variables to consider.The classification of the
car as a subcompact, compact, standard, or luxury size is an example of a _______ variable.

Question 44

A personal computer user survey was conducted.The number of computer magazine
subscriptions is an example of a _______ numerical variable.

Question 45

Most colleges admit students based on their achievements in a number of different areas.The
total SAT score achieved by a student is an example of a _______ numerical variable.

Question 46

A personal computer user survey was conducted.Primary word processing package used is an
example of a _______ variable

Question 47

Most colleges admit students based on their achievements in a number of different areas.Whether
a student has taken any advanced placement courses is an example of a _______ variable.

Question 48

A personal computer user survey was conducted.Computer brand primarily used is an example
of a _______ variable.

Question 49

In purchasing an automobile, there are a number of variables to consider.The body style of the
car (sedan, coupe, wagon, etc.)is an example of a _______ variable.

Question 50

Most colleges admit students based on their achievements in a number of different areas.The
grade obtained in senior level English.(A, B, C, D, or F)is an example of a _______ variable.

Question 51

In purchasing an automobile, there are a number of variables to consider.The color of the car is
an example of a _______ variable.

Question 52

The brand of TV one owns is an example of an ordinal scaled variable.

Question 53

A personal computer user survey was conducted.Number of personal computers owned is an
example of a _______ numerical variable.

Question 54

The Dean of Students conducted a survey on campus.The gender of the student is an example of
a _______ variable.

Question 55

The Dean of Students conducted a survey on campus.Grade point average (GPA)is an example
of a _______ numerical variable.

Question 56

The Dean of Students conducted a survey on campus.Number of clubs, groups, teams, and
organizations affiliated with on campus is an example of a _______ numerical variable.

Question 57

A personal computer user survey was conducted.The number of years using a personal computer
is an example of a _______ numerical variable.

Question 58

The Dean of Students conducted a survey on campus.Number of credits currently enrolled for is
an example of a _______ numerical variable.

Question 59

The Dean of Students conducted a survey on campus.Class designation (Freshman, Sophomore,
Junior, Senior)is an example of a _______ variable.

Question 60

The Dean of Students conducted a survey on campus.SAT score in mathematics is an example
of a _______ numerical variable.

Question 61

The number of defective apples in a single box will be measured on an interval scale.

Question 62

SCENARIO 1-2
A Wall Street Journal poll asked 2,150 adults in the U.S.a series of questions to find out their view
on the U.S.economy.
Referring to Scenario 1-2, the population of interest is

A) all the males living in the U.S.when the polled was taken.
B) all the females living in the U.S.when the polled was taken.
C) all the adults living in the U.S.when the poll was taken.
D) all the people living in the U.S.when the poll was taken.

Question 63

Whether the university is private or public is an example of a nominal scaled variable.

Question 64

The number of defective apples in a single box is an example of a continuous variable.

Question 65

Marital status is an example of a numerical variable.

Question 66

Marital status is an example of an ordinal scaled variable.

Question 67

The amount of alcohol consumed by a person per week is an example of a continuous variable.

Question 68

The amount of time a student spent studying for an exam will be measured on a ratio scale.

Question 69

The grade level (K-12)of a student is an example of a nominal scaled variable.

Question 70

The level of satisfaction ("Very unsatisfied", "Fairly unsatisfied", "Fairly satisfied", and "Very
satisfied")in a class is an example of a categorical variable.

Question 71

The level of satisfaction ("Very unsatisfied", "Fairly unsatisfied", "Fairly satisfied", and "Very
satisfied")in a class is an example of an ordinal scaled variable.

Question 72

Whether the university is private or public is an example of a categorical variable.

Question 73

The amount of time a student spent studying for an exam is an example of a continuous variable.

Question 74

The amount of calories contained in a 12-ounce package of cheese will be measured on a ratio
scale.

Question 75

The amount of alcohol consumed by a person per week will be measured on an interval scale.

Question 76

The quality ("terrible", "poor", "fair", "acceptable", "very good" and "excellent")of a day care
center is an example of a nominal scaled variable.

Question 77

The amount of calories contained in a 12-ounce package of cheese is an example of a discrete
variable.

Question 78

The quality ("terrible", "poor", "fair", "acceptable", "very good" and "excellent")of a day care
center is an example of a numerical variable.

Question 79

The grade level (K-12)of a student is an example of a numerical variable.

Question 80

The brand of TV one owns is an example of a numerical variable.