Test Bank for Elementary Statistics 14th Edition by Mario F. Triola, Chapter 1-15 | All Chapters|isbn 9780321570796 |newest version 2025 /26 A+

TEST BANK FOR ELEMENTARY STATISTICS, 14TH
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EDITION BY MARIO TRIOLA
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,Triola Elementary Statistics 14e
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Chapter 1 Test
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MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
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1) Determine whether the given description corresponds to an experiment or an observational study. A stock analyst
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selects a stock from a group of twenty for investment by choosing the stock with the greatest earnings per share
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reported for the last quarter.
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A) Observational study B) Experiment l l



Objective: Exam A l l




2) Identify which type of sampling is used. The name of each contestant is written on a separate card, the cards are
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placed in a bag, and three names are picked from the bag.
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A) Stratified
B) Simple Random l



C) Convenience
D) Cluster
E) Systematic
Objective: Exam A l l




3) Identify which type of sampling is used. To avoid working late, a quality control analyst simply inspects the first 100
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items produced in a day.
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A) Stratified
B) Simple Random l



C) Convenience
D) Systematic
E) Cluster
Objective: Exam A l l




4) An education expert is researching teaching methods and wishes to interview teachers from a particular school district.
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She randomly selects ten schools from the district and interviews all of the teachers at the selected schools. Does this
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sampling plan result in a random sample? Simple random sample? Explain.
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A) Yes; yes. The sample is random because all teachers have the same chance of being selected. It is a simple
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random sample because all samples have the same chance of being selected.
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B) Yes; no. The sample is random because all teachers have the same chance of being selected. It is not a simple
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random sample because some samples are not possible, such as a sample that includes teachers from schools that
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were not selected. l l l



C) No; yes. The sample is not random because teachers in small schools are more likely to be selected
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than teachers in larger schools. It is a simple random sample because all samples have the same chance of being
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selected. l



D) No; no. The sample is not random because teachers in small schools are more likely to be selected than
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teachers in larger schools. It is not a simple random sample because some samples are not possible, such as a
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sample that includes teachers from schools that were not selected.
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Objective: Exam A l l




5) Identify the type of observational study used. A town obtains current employment data by polling 10,000 of its
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citizens this month.
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, A) Retrospective B) Cross-sectional
l C) Prospective
l D) None of these
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Objective: Exam A
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, DOWNLOAD THE Test Bank for Elementary Statistics 14th Edition Triola
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6) Determine whether the given value is a discrete or continuous variable. People are asked to state how many times in
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lthe last month they visited their family doctor.
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A) Continuous B) Discrete l



Objective: Exam A l l




7) Determine which of the four levels of measurement is most appropriate. Students' grades, A, B, or C, on a test.
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A) Nominal B) Interval C) Ratio D) Ordinal l l l



Objective: Exam A l l




8) A tax auditor selects every 1000th income tax return that is received. Identify which of these types of sampling is used.
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A) Stratified
B) Systematic
C) Cluster
D) Convenience
E) Simple Random l



Objective: Exam A l l




9) Determine whether the given value is a statistic or a parameter. Thirty percent of all dog owners poop scoop after their
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ldog.
A) Parameter B) Statistic l



Objective: Exam A l l




10) Determine whether the given value is from a discrete or continuous data set. The time it takes a computer to
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lcomplete a task. l l



A) Continuous B) Discrete l



Objective: Exam A l l




11) On a test, 74% of the questions are answered correctly. If 111 questions are correct, how many questions are on the test?
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A) 37 questions l B) 150 questions C) 67 questions D) 82 questions l l l l l l



Objective: Exam A l l




12) Researchers collect data by interviewing athletes who have won Olympic gold medals from 1992 to 2016. Identify the
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ltype of study. l l




A) Retrospective B) Prospective
l C) Cross-sectional
l D) None of thesel l l


Objective: Exam A l l




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