An Introduction to Statistical
Concepts 4th Edition
SOLUTIONS
ST
UV
MANUAL
IA
_A
Debbie Hahs-Vaughn
Richard Lomax
PP
RO
Comprehensive Solutions Manual for
Instructors and Students
VE
© Debbie Hahs-Vaughn & Richard Lomax
D?
All rights reserved. Reproduction or distribution without permission is prohibited.
©MedConnoisseur
, Solutions Manual for An Introduction to Statistical
Concepts, 4e Debbie Hahs-Vaughn, Richard Lomax
(All Chapters Answers at the end of each Chapter)
ST
PROBLEMS
Conceptual Problems
UV
1. A mental health counselor is conducting a research study on satisfaction that married
couples have with their marriage. “Marital status” (e.g., single, married, divorced,
widowed), in this scenario, is which one of the following?
a. Constant
b. Variable
IA
2. Belle randomly samples 100 library patrons and gathers data on the genre of the "first book"
that they checked out from the library. She finds that 85 library patrons checked out a fiction
book and 15 library patrons checked out a non-fiction book. Which of the following best
_A
characterizes the type of "first book" checked out in this study?
a. Constant
b. Variable
3. For interval level variables, which of the following properties does not apply?
a. "A" is two units greater than ‘B’
PP
b. "A" is greater than ‘B’
c. "A" is twice as good as ‘B’
d. "A" differs from ‘B’
RO
4. Which of the following properties is appropriate for ordinal, but not for nominal variables?
a. "A" differs from ‘B’
b. "A" is greater than ‘B’
c. "A" is ten units greater than ‘B’
d. "A" is twice as good as ‘B’
VE
5. Which scale of measurement is implied by the following statement: “JoAnn’s score is three
times greater than Oscar’s score?”
a. Nominal
b. Ordinal
c. Interval
D?
d. Ratio
Downloaded by: tutorsection | Want to earn $1.236
Distribution of this document is illegal extra per year?
, 6. Which scale of measurement is produced the following survey item: "Which season do you
prefer to spend your time? Spring, Summer, Fall, Winter?"
a. Nominal
b. Ordinal
c. Interval
d. Ratio
7. A band director collects data on the number of years in which students in the band have
played a musical instrument. Which scale of measurement is implied by this scenario?
ST
a. Nominal
b. Ordinal
c. Interval
d. Ratio
UV
8. Kristen has an IQ of 120. I assert that Kristen is 20% more intelligent than the average
person having an IQ of 100. Am I correct?
9. Population is to parameter as sample is to statistic. True or false?
IA
10. A dichotomous variable is also a categorical variable. True or false?
11. The amount of time spent studying in one week for a population of students is an inferential
statistic. True or false?
_A
12. A sample of 50 students take an exam and the instructor decides to give the top 5 scores a
bonus of 5 points. Compared to the original set of scores (no bonus), will the ranks of the
new set of scores (including bonus) be exactly the same?
PP
13. Malani and Laila have class ranks of 5 and 6. Ingrid and Toomas have class ranks of 55 and
56. Will the GPAs of Malani and Laila be the same distance apart as the GPAs of Ingrid and
Toomas?
14. Aurora is studying sleep disorders in adults. She gathers data on whether or not they take
RO
medication to assist their sleep. Aurora finds that 1/3 of the adults take medication, and 2/3
do not. Which of the following best characterizes "whether or not medication is taken?"
a. Constant
b. Variable
15. A researcher has collected data that compares an intervention program to a comparison
VE
program. The researcher finds that the intervention program produces results that are four
times better than the comparison program. Which measurement scale is implied and that
will allow the researcher to make this type of interpretation? Select all that apply.
a. Nominal
b. Ordinal
D?
c. Interval
d. Ratio
Downloaded by: tutorsection | Want to earn $1.236
Distribution of this document is illegal extra per year?
, 16. A researcher has access to 22 local health clinics which are part of a network of 56 health
clinics in the state. The researcher conducts a study which includes the 22 regional health
clinics. In this scenario, the 22 local health clinics are which one of the following?
a. Dichotomous
b. Interval
c. Sample
d. Population
ST
17. A researcher has access to 22 regional health clinics which are part of a network of 56
health clinics in the state. The researcher conducts a study which includes the 22 regional
health clinics. In this scenario, the 56 health clinics in the state are which one of the
following?
a. Dichotomous
UV
b. Interval
c. Sample
d. Population
18. Which of the following is an example of a dichotomous variable?
IA
a. Dance type (ballet, contemporary, jazz, lyrical, tap)
b. Interest (no interest, somewhat interested, much interest)
c. Total cost (measured in whole dollars ranging from $0 to infinity)
d. Age (ages <40 and ages 40+)
_A
19. Which of the following is an example of an ordinal variable?
a. Dance type (ballet, contemporary, jazz, lyrical, tap)
b. Interest (no interest, somewhat interested, much interest)
c. Total cost (measured in whole dollars ranging from $0 to infinity)
PP
d. Age (ages <40 and ages 40+)
20. Which of the following is an example of a ratio variable?
a. Scores on the Myers-Briggs Type Indicator (MBTI) personality inventory
b. Number of pieces of cake eaten at birthday parties (measured in whole numbers)
RO
c. Pleasure experienced on vacation (none, some, much)
d. Types of plants preferred by homeowners (bushes, flowers, grasses, trees)
VE
D?
Downloaded by: tutorsection | Want to earn $1.236
Distribution of this document is illegal extra per year?
Concepts 4th Edition
SOLUTIONS
ST
UV
MANUAL
IA
_A
Debbie Hahs-Vaughn
Richard Lomax
PP
RO
Comprehensive Solutions Manual for
Instructors and Students
VE
© Debbie Hahs-Vaughn & Richard Lomax
D?
All rights reserved. Reproduction or distribution without permission is prohibited.
©MedConnoisseur
, Solutions Manual for An Introduction to Statistical
Concepts, 4e Debbie Hahs-Vaughn, Richard Lomax
(All Chapters Answers at the end of each Chapter)
ST
PROBLEMS
Conceptual Problems
UV
1. A mental health counselor is conducting a research study on satisfaction that married
couples have with their marriage. “Marital status” (e.g., single, married, divorced,
widowed), in this scenario, is which one of the following?
a. Constant
b. Variable
IA
2. Belle randomly samples 100 library patrons and gathers data on the genre of the "first book"
that they checked out from the library. She finds that 85 library patrons checked out a fiction
book and 15 library patrons checked out a non-fiction book. Which of the following best
_A
characterizes the type of "first book" checked out in this study?
a. Constant
b. Variable
3. For interval level variables, which of the following properties does not apply?
a. "A" is two units greater than ‘B’
PP
b. "A" is greater than ‘B’
c. "A" is twice as good as ‘B’
d. "A" differs from ‘B’
RO
4. Which of the following properties is appropriate for ordinal, but not for nominal variables?
a. "A" differs from ‘B’
b. "A" is greater than ‘B’
c. "A" is ten units greater than ‘B’
d. "A" is twice as good as ‘B’
VE
5. Which scale of measurement is implied by the following statement: “JoAnn’s score is three
times greater than Oscar’s score?”
a. Nominal
b. Ordinal
c. Interval
D?
d. Ratio
Downloaded by: tutorsection | Want to earn $1.236
Distribution of this document is illegal extra per year?
, 6. Which scale of measurement is produced the following survey item: "Which season do you
prefer to spend your time? Spring, Summer, Fall, Winter?"
a. Nominal
b. Ordinal
c. Interval
d. Ratio
7. A band director collects data on the number of years in which students in the band have
played a musical instrument. Which scale of measurement is implied by this scenario?
ST
a. Nominal
b. Ordinal
c. Interval
d. Ratio
UV
8. Kristen has an IQ of 120. I assert that Kristen is 20% more intelligent than the average
person having an IQ of 100. Am I correct?
9. Population is to parameter as sample is to statistic. True or false?
IA
10. A dichotomous variable is also a categorical variable. True or false?
11. The amount of time spent studying in one week for a population of students is an inferential
statistic. True or false?
_A
12. A sample of 50 students take an exam and the instructor decides to give the top 5 scores a
bonus of 5 points. Compared to the original set of scores (no bonus), will the ranks of the
new set of scores (including bonus) be exactly the same?
PP
13. Malani and Laila have class ranks of 5 and 6. Ingrid and Toomas have class ranks of 55 and
56. Will the GPAs of Malani and Laila be the same distance apart as the GPAs of Ingrid and
Toomas?
14. Aurora is studying sleep disorders in adults. She gathers data on whether or not they take
RO
medication to assist their sleep. Aurora finds that 1/3 of the adults take medication, and 2/3
do not. Which of the following best characterizes "whether or not medication is taken?"
a. Constant
b. Variable
15. A researcher has collected data that compares an intervention program to a comparison
VE
program. The researcher finds that the intervention program produces results that are four
times better than the comparison program. Which measurement scale is implied and that
will allow the researcher to make this type of interpretation? Select all that apply.
a. Nominal
b. Ordinal
D?
c. Interval
d. Ratio
Downloaded by: tutorsection | Want to earn $1.236
Distribution of this document is illegal extra per year?
, 16. A researcher has access to 22 local health clinics which are part of a network of 56 health
clinics in the state. The researcher conducts a study which includes the 22 regional health
clinics. In this scenario, the 22 local health clinics are which one of the following?
a. Dichotomous
b. Interval
c. Sample
d. Population
ST
17. A researcher has access to 22 regional health clinics which are part of a network of 56
health clinics in the state. The researcher conducts a study which includes the 22 regional
health clinics. In this scenario, the 56 health clinics in the state are which one of the
following?
a. Dichotomous
UV
b. Interval
c. Sample
d. Population
18. Which of the following is an example of a dichotomous variable?
IA
a. Dance type (ballet, contemporary, jazz, lyrical, tap)
b. Interest (no interest, somewhat interested, much interest)
c. Total cost (measured in whole dollars ranging from $0 to infinity)
d. Age (ages <40 and ages 40+)
_A
19. Which of the following is an example of an ordinal variable?
a. Dance type (ballet, contemporary, jazz, lyrical, tap)
b. Interest (no interest, somewhat interested, much interest)
c. Total cost (measured in whole dollars ranging from $0 to infinity)
PP
d. Age (ages <40 and ages 40+)
20. Which of the following is an example of a ratio variable?
a. Scores on the Myers-Briggs Type Indicator (MBTI) personality inventory
b. Number of pieces of cake eaten at birthday parties (measured in whole numbers)
RO
c. Pleasure experienced on vacation (none, some, much)
d. Types of plants preferred by homeowners (bushes, flowers, grasses, trees)
VE
D?
Downloaded by: tutorsection | Want to earn $1.236
Distribution of this document is illegal extra per year?
