Test Bank for An Introduction to
Statistical Concepts, 4e by Debbie Hahs-
Vaughn, Richard Lomax (All Chapters)
Multiple-Choice
1. Jasmine is examining how teenage girls view their satisfaction with their
appearance. In her study, "gender" is which of the following?
a. Constant
b. Variable
ANSWER: A
2. A researcher is interested in satisfaction of first-time visitors at Disneyworld and
thus her target population is first-time visitors. In this study, “first-time visitors”
is which one of the following?
a. Constant
b. Variable
ANSWER: A
3. Belle is interested in short term memory of children who are enrolled in Head
Start programs. Her target population is Head Start children. In this study,
“enrollment in Head Start” is which one of the following?
a. Constant
b. Variable
ANSWER: A
4. Aurora is conducting a study on sleep habits of adolescents, with approximately
equal numbers of boys and girls participating. In her study, "gender" is which of
the following?
a. Constant
b. Variable
ANSWER: B
5. A preschool director surveys parents of four-year-old children regarding the
types of school their child will attend in kindergarten. The preschool director
finds that 85% plan to enroll their child in a public school and the remaining
parents will enroll in private or homeschool. “Type of school,” in this scenario, is
which one of the following?
a. Constant
b. Variable
,ANSWER: B
,6. For interval level variables, which of the following properties does not apply?
a. Choco Mocha is five units lower than Cocoa Mocha.
b. Choco Mocha is tastier than Cocoa Mocha.
c. Choco Mocha is twice as expensive as Cocoa Mocha.
d. Choco Mocha is different from Cocoa Mocha.
ANSWER: C
7. Which of the following properties is appropriate for ordinal, but not for nominal
variables?
a. Choco Mocha is $2 greater than Cocoa Mocha.
b. Choco Mocha is different from Cocoa Mocha.
c. Choco Mocha is tastier than Cocoa Mocha.
d. Choco Mocha is twice as expensive as Cocoa Mocha.
ANSWER: C
8. Lilo has sent four manuscripts to journals to be considered for review while Stitch
has sent out two. Which scale of measurement is implied by the quantity of
publications?
a. Nominal
b. Ordinal
c. Interval
d. Ratio
ANSWER: D
9. A researcher creates a variable called “shampoo type” that categorizes shampoo
into three types: a) herbal; b) chemically balanced; and c) non-additive. What
type of measurement scale is “shampoo category?”
a. Nominal
b. Ordinal
c. Interval
d. Ratio
ANSWER: A
, 10. The number of bagels purchased by students at the student union each day is
considered which measurement scale?
a. Nominal
b. Ordinal
c. Interval
d. Ratio
ANSWER: D
11. Jennifer counts the number of students that purchase lunch from the student
union on Monday. Which measurement scale is "the number of students that
purchase lunch"?
a. Nominal
b. Ordinal
c. Interval
d. Ratio
ANSWER: D
12. Wesley creates a variable that is called “truck size” that categorizes trucks into
three types: a) compact; b) mid-sized; c) full-size and d) monster. What type of
measurement scale is “truck size?”
a. Nominal
b. Ordinal
c. Interval
d. Ratio
ANSWER: B
13. Luke is shopping for engagement rings and decides there are three types of
diamonds: 1) tiny; 2) average; and 3) huge. What is the measurement scale for
"type of diamond" based on Luke's classification?
a. Nominal
b. Ordinal
c. Interval
d. Ratio
ANSWER: B
Statistical Concepts, 4e by Debbie Hahs-
Vaughn, Richard Lomax (All Chapters)
Multiple-Choice
1. Jasmine is examining how teenage girls view their satisfaction with their
appearance. In her study, "gender" is which of the following?
a. Constant
b. Variable
ANSWER: A
2. A researcher is interested in satisfaction of first-time visitors at Disneyworld and
thus her target population is first-time visitors. In this study, “first-time visitors”
is which one of the following?
a. Constant
b. Variable
ANSWER: A
3. Belle is interested in short term memory of children who are enrolled in Head
Start programs. Her target population is Head Start children. In this study,
“enrollment in Head Start” is which one of the following?
a. Constant
b. Variable
ANSWER: A
4. Aurora is conducting a study on sleep habits of adolescents, with approximately
equal numbers of boys and girls participating. In her study, "gender" is which of
the following?
a. Constant
b. Variable
ANSWER: B
5. A preschool director surveys parents of four-year-old children regarding the
types of school their child will attend in kindergarten. The preschool director
finds that 85% plan to enroll their child in a public school and the remaining
parents will enroll in private or homeschool. “Type of school,” in this scenario, is
which one of the following?
a. Constant
b. Variable
,ANSWER: B
,6. For interval level variables, which of the following properties does not apply?
a. Choco Mocha is five units lower than Cocoa Mocha.
b. Choco Mocha is tastier than Cocoa Mocha.
c. Choco Mocha is twice as expensive as Cocoa Mocha.
d. Choco Mocha is different from Cocoa Mocha.
ANSWER: C
7. Which of the following properties is appropriate for ordinal, but not for nominal
variables?
a. Choco Mocha is $2 greater than Cocoa Mocha.
b. Choco Mocha is different from Cocoa Mocha.
c. Choco Mocha is tastier than Cocoa Mocha.
d. Choco Mocha is twice as expensive as Cocoa Mocha.
ANSWER: C
8. Lilo has sent four manuscripts to journals to be considered for review while Stitch
has sent out two. Which scale of measurement is implied by the quantity of
publications?
a. Nominal
b. Ordinal
c. Interval
d. Ratio
ANSWER: D
9. A researcher creates a variable called “shampoo type” that categorizes shampoo
into three types: a) herbal; b) chemically balanced; and c) non-additive. What
type of measurement scale is “shampoo category?”
a. Nominal
b. Ordinal
c. Interval
d. Ratio
ANSWER: A
, 10. The number of bagels purchased by students at the student union each day is
considered which measurement scale?
a. Nominal
b. Ordinal
c. Interval
d. Ratio
ANSWER: D
11. Jennifer counts the number of students that purchase lunch from the student
union on Monday. Which measurement scale is "the number of students that
purchase lunch"?
a. Nominal
b. Ordinal
c. Interval
d. Ratio
ANSWER: D
12. Wesley creates a variable that is called “truck size” that categorizes trucks into
three types: a) compact; b) mid-sized; c) full-size and d) monster. What type of
measurement scale is “truck size?”
a. Nominal
b. Ordinal
c. Interval
d. Ratio
ANSWER: B
13. Luke is shopping for engagement rings and decides there are three types of
diamonds: 1) tiny; 2) average; and 3) huge. What is the measurement scale for
"type of diamond" based on Luke's classification?
a. Nominal
b. Ordinal
c. Interval
d. Ratio
ANSWER: B
