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TEST BANK
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THE Test Bank for Elementary Statistics 14th Edition Triola
Chapter 1 :
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1) Determine whether the given description corresponds to an experiment or an observational study. A stock analyst
selects a stock from a group of twenty for investment by choosing the stock with the greatest earnings per share
reported for the last quarter.
A) Observational study B) Experiment
Objective: Exam A
2) Identify which type of sampling is used. The name of each contestant is written on a separate card, the cards are
placed in a bag, and three names are picked from the bag.
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A) Stratified
B) Simple Random
C) Convenience
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D) Cluster
E) Systematic
Objective: Exam A
3) Identify which type of sampling is used. To avoid working late, a quality control analyst simply inspects the first
100 items produced in a day.
ST
A) Stratified
B) Simple Random
C) Convenience
D) Systematic
E) Cluster
Objective: Exam A
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4) An education expert is researching teaching methods and wishes to interview teachers from a particular school
district. She randomly selects ten schools from the district and interviews all of the teachers at the selected schools.
D
Does this sampling plan result in a random sample? Simple random sample? Explain.
A) Yes; yes. The sample is random because all teachers have the same chance of being selected. It is a simple
random sample because all samples have the same chance of being selected.
Y
B) Yes; no. The sample is random because all teachers have the same chance of being selected. It is not a simple
random sample because some samples are not possible, such as a sample that includes teachers from schools
that were not selected.
C) No; yes. The sample is not random because teachers in small schools are more likely to be selected than
teachers in larger schools. It is a simple random sample because all samples have the same chance of being
selected.
D) No; no. The sample is not random because teachers in small schools are more likely to be selected than
teachers in larger schools. It is not a simple random sample because some samples are not possible, such as a
sample that includes teachers from schools that were not selected.
Objective: Exam A
5) Identify the type of observational study used. A town obtains current employment data by polling 10,000 of its
citizens this month.
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A) Retrospective B) Cross-sectional C) Prospective D) None of these
Objective: Exam A
M
ED
ST
U
D
Y
, MEDSTUDY.COM
DOWNLOAD THE Test Bank for Elementary Statistics 14th Edition Triola
6) Determine whether the given value is a discrete or continuous variable. People are asked to state how many times
in the last month they visited their family doctor.
A) Continuous B) Discrete
Objective: Exam A
7) Determine which of the four levels of measurement is most appropriate. Students' grades, A, B, or C, on a test.
A) Nominal B) Interval C) Ratio D) Ordinal
Objective: Exam A
8) A tax auditor selects every 1000th income tax return that is received. Identify which of these types of sampling is
M
used.
A) Stratified
B) Systematic
C) Cluster
ED
D) Convenience
E) Simple Random
Objective: Exam A
9) Determine whether the given value is a statistic or a parameter. Thirty percent of all dog owners poop scoop after
their dog.
ST
A) Parameter B) Statistic
Objective: Exam A
10) Determine whether the given value is from a discrete or continuous data set. The time it takes a computer to
complete a task.
U
A) Continuous B) Discrete
Objective: Exam A
D
11) On a test, 74% of the questions are answered correctly. If 111 questions are correct, how many questions are on the
test?
A) 37 questions B) 150 questions C) 67 questions D) 82 questions
Y
Objective: Exam A
12) Researchers collect data by interviewing athletes who have won Olympic gold medals from 1992 to 2016. Identify
the type of study.
A) Retrospective B) Prospective C) Cross-sectional D) None of these
Objective: Exam A
TEST BANK
M
ED
ST
U
D
Y
, MEDSTUDY.COM
THE Test Bank for Elementary Statistics 14th Edition Triola
Chapter 1 :
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1) Determine whether the given description corresponds to an experiment or an observational study. A stock analyst
selects a stock from a group of twenty for investment by choosing the stock with the greatest earnings per share
reported for the last quarter.
A) Observational study B) Experiment
Objective: Exam A
2) Identify which type of sampling is used. The name of each contestant is written on a separate card, the cards are
placed in a bag, and three names are picked from the bag.
M
A) Stratified
B) Simple Random
C) Convenience
ED
D) Cluster
E) Systematic
Objective: Exam A
3) Identify which type of sampling is used. To avoid working late, a quality control analyst simply inspects the first
100 items produced in a day.
ST
A) Stratified
B) Simple Random
C) Convenience
D) Systematic
E) Cluster
Objective: Exam A
U
4) An education expert is researching teaching methods and wishes to interview teachers from a particular school
district. She randomly selects ten schools from the district and interviews all of the teachers at the selected schools.
D
Does this sampling plan result in a random sample? Simple random sample? Explain.
A) Yes; yes. The sample is random because all teachers have the same chance of being selected. It is a simple
random sample because all samples have the same chance of being selected.
Y
B) Yes; no. The sample is random because all teachers have the same chance of being selected. It is not a simple
random sample because some samples are not possible, such as a sample that includes teachers from schools
that were not selected.
C) No; yes. The sample is not random because teachers in small schools are more likely to be selected than
teachers in larger schools. It is a simple random sample because all samples have the same chance of being
selected.
D) No; no. The sample is not random because teachers in small schools are more likely to be selected than
teachers in larger schools. It is not a simple random sample because some samples are not possible, such as a
sample that includes teachers from schools that were not selected.
Objective: Exam A
5) Identify the type of observational study used. A town obtains current employment data by polling 10,000 of its
citizens this month.
,MEDSTUDY.COM
A) Retrospective B) Cross-sectional C) Prospective D) None of these
Objective: Exam A
M
ED
ST
U
D
Y
, MEDSTUDY.COM
DOWNLOAD THE Test Bank for Elementary Statistics 14th Edition Triola
6) Determine whether the given value is a discrete or continuous variable. People are asked to state how many times
in the last month they visited their family doctor.
A) Continuous B) Discrete
Objective: Exam A
7) Determine which of the four levels of measurement is most appropriate. Students' grades, A, B, or C, on a test.
A) Nominal B) Interval C) Ratio D) Ordinal
Objective: Exam A
8) A tax auditor selects every 1000th income tax return that is received. Identify which of these types of sampling is
M
used.
A) Stratified
B) Systematic
C) Cluster
ED
D) Convenience
E) Simple Random
Objective: Exam A
9) Determine whether the given value is a statistic or a parameter. Thirty percent of all dog owners poop scoop after
their dog.
ST
A) Parameter B) Statistic
Objective: Exam A
10) Determine whether the given value is from a discrete or continuous data set. The time it takes a computer to
complete a task.
U
A) Continuous B) Discrete
Objective: Exam A
D
11) On a test, 74% of the questions are answered correctly. If 111 questions are correct, how many questions are on the
test?
A) 37 questions B) 150 questions C) 67 questions D) 82 questions
Y
Objective: Exam A
12) Researchers collect data by interviewing athletes who have won Olympic gold medals from 1992 to 2016. Identify
the type of study.
A) Retrospective B) Prospective C) Cross-sectional D) None of these
Objective: Exam A
