Test bank for statistical reasoning for
everyday life 5th edition by jeff bennett
william briggs mario triola
,TABLE OF CONTENT vb vb
Chapter 1 vb Speaking of Statistics.................................................................................................. 1
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Chapter 2 vb Measurement in Statistics......................................................................................... 13
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Chapter 3 vb Visual Displays of Data ........................................................................................... 21
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Chapter 4 vb Describing Data ........................................................................................................ 44
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Chapter 5 vb A Normal World ....................................................................................................... 63
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Chapter 6 vb Probability in Statistics ............................................................................................ 71
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Chapter 7 vb Correlation and Causality ....................................................................................... 83
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Chapter 8 vb Inferences from Samples to Populations ............................................................. 100
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Chapter 9 vb Hypothesis Testing .................................................................................................. 108
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Chapter 10 vb t Tests, Two-Way Tables, and ANOVA ........................................................... 123
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Answers ........................................................................................................................................... 135
,Statistical Reasoning for Everyday Life
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Chapter 1 (Speaking of Statistics) Exam, form A
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MULTIPLE CHOICE. Choose the one alternative that best completes the statement or
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answers the question.
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For problems 1 and 2, determine whether the evaluated group is a population or a
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v sample.
b
1) The average (mean) age of all 63 Associate Professors at Cliffton University is 47 years.
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A) Population B) Sample vb
2) A researcher examines the property tax records of 84 property owners in one city
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and finds that 17% are behind in their tax payments.
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A) Population B) Sample vb
For problems 3 and 4, determine whether the given value is a statistic or a parameter.
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3) The average (mean) age of all 63 Associate Professors at Cliffton University is 47 years.
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A) Statistic B) Parameter vb
4) A researcher examines the property tax records of 84 property owners in one city
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and finds that 17% are behind in their tax payments.
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A) Statistic B) Parameter vb
5) Following the Republican National Convention, a poll of 600 voters in a central
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Illinois community showed that 57% expected the Republican ticket to win over
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the Democrat ticket no matter whom the Democrats chose for vice-president. The
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margin of error was 4 percentage points. There are 25,000 registered voters in
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the community. Which range of values is likely to contain the population
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parameter? vb
A) 13,250 to 15,250 vb B) 24,400 to 25,600 vb vb vb vb vb
C) 318 to 366 vb D) 53% to 61%
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6) A poll of 488 citizens of Normal, Illinois, showed that 65% favored strict enforcement of
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speed limits with a margin of error of 4%. A second poll of 495 citizens of the same
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town showed that 34% favored strict enforcement of speed limits. Assuming that
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proper sampling techniques were used in both polls, one may conclude that
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A) the percent of the population that favors strict enforcement of speed limits is 49.5%
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8%.
B) the percent of the population that favors strict enforcement of speed limits is 49.5%
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4%.
C) one or both of the samples may have been unlikely samples from the population.
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D) the percent of the population that favors strict enforcement of speed limits is 65%
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8%.
7) A poll of 700 attendees of the Taste of Chicago showed that 445 attendees, 65%
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of the sample, believed that the food was overpriced. It is estimated that
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1,250,000 people attend the Taste. Although 65% plus or minus 5% of attendees
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believe that the food is overpriced, the Taste is a popular event. The raw data of
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the study is (are)
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A) 65% of the sample. vb vb vb
B) 700 attendees, 455 attendees. vb vb vb
C) 1,250,000 attendees, 700 vb vb
1
Copyright © 2018 Pearson Education, Inc. vb vb vb vb vb
, attendees, 455 attendees. D)
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(60%, 70%)
v b vb
8) A student wanted to know the favorite lunch at a large high school with a closed
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campus. What is the first step in conducting a statistical study to answer the
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question?
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A) Select a random sample of students.
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B) Precisely state the goal of the study.
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2
Copyright © 2018 Pearson Education, Inc.
vb vb vb vb vb
everyday life 5th edition by jeff bennett
william briggs mario triola
,TABLE OF CONTENT vb vb
Chapter 1 vb Speaking of Statistics.................................................................................................. 1
vb vb
Chapter 2 vb Measurement in Statistics......................................................................................... 13
vb vb
Chapter 3 vb Visual Displays of Data ........................................................................................... 21
vb vb vb
Chapter 4 vb Describing Data ........................................................................................................ 44
vb
Chapter 5 vb A Normal World ....................................................................................................... 63
vb vb
Chapter 6 vb Probability in Statistics ............................................................................................ 71
vb vb
Chapter 7 vb Correlation and Causality ....................................................................................... 83
vb vb
Chapter 8 vb Inferences from Samples to Populations ............................................................. 100
vb vb vb vb
Chapter 9 vb Hypothesis Testing .................................................................................................. 108
vb
Chapter 10 vb t Tests, Two-Way Tables, and ANOVA ........................................................... 123
vb vb vb vb vb
Answers ........................................................................................................................................... 135
,Statistical Reasoning for Everyday Life
vb vb vb vb
Chapter 1 (Speaking of Statistics) Exam, form A
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MULTIPLE CHOICE. Choose the one alternative that best completes the statement or
vb vb vb vb vb vb vb vb vb vb v b
answers the question.
vb vb vb
For problems 1 and 2, determine whether the evaluated group is a population or a
vb vb vb vb vb vb vb vb vb vb vb vb vb vb
v sample.
b
1) The average (mean) age of all 63 Associate Professors at Cliffton University is 47 years.
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A) Population B) Sample vb
2) A researcher examines the property tax records of 84 property owners in one city
vb vb vb vb vb vb vb vb vb vb vb vb vb
and finds that 17% are behind in their tax payments.
vb vb v b vb vb v b vb vb vb vb vb
A) Population B) Sample vb
For problems 3 and 4, determine whether the given value is a statistic or a parameter.
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3) The average (mean) age of all 63 Associate Professors at Cliffton University is 47 years.
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A) Statistic B) Parameter vb
4) A researcher examines the property tax records of 84 property owners in one city
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and finds that 17% are behind in their tax payments.
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A) Statistic B) Parameter vb
5) Following the Republican National Convention, a poll of 600 voters in a central
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Illinois community showed that 57% expected the Republican ticket to win over
vb v b vb vb vb vb vb vb vb vb vb vb vb
the Democrat ticket no matter whom the Democrats chose for vice-president. The
vb vb v b vb vb vb vb v b vb vb vb vb
margin of error was 4 percentage points. There are 25,000 registered voters in
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the community. Which range of values is likely to contain the population
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parameter? vb
A) 13,250 to 15,250 vb B) 24,400 to 25,600 vb vb vb vb vb
C) 318 to 366 vb D) 53% to 61%
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6) A poll of 488 citizens of Normal, Illinois, showed that 65% favored strict enforcement of
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speed limits with a margin of error of 4%. A second poll of 495 citizens of the same
vb v b vb v b vb vb vb vb vb vb vb vb vb vb vb vb vb vb vb
town showed that 34% favored strict enforcement of speed limits. Assuming that
vb vb v b vb vb vb vb vb vb vb vb vb vb
proper sampling techniques were used in both polls, one may conclude that
vb vb v b vb vb vb vb vb vb v b vb vb vb
A) the percent of the population that favors strict enforcement of speed limits is 49.5%
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8%.
B) the percent of the population that favors strict enforcement of speed limits is 49.5%
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4%.
C) one or both of the samples may have been unlikely samples from the population.
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D) the percent of the population that favors strict enforcement of speed limits is 65%
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8%.
7) A poll of 700 attendees of the Taste of Chicago showed that 445 attendees, 65%
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of the sample, believed that the food was overpriced. It is estimated that
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1,250,000 people attend the Taste. Although 65% plus or minus 5% of attendees
vb vb vb v b vb vb vb vb vb vb vb vb vb vb
believe that the food is overpriced, the Taste is a popular event. The raw data of
vb vb vb vb vb vb v b vb vb vb vb vb v b vb vb vb
the study is (are)
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A) 65% of the sample. vb vb vb
B) 700 attendees, 455 attendees. vb vb vb
C) 1,250,000 attendees, 700 vb vb
1
Copyright © 2018 Pearson Education, Inc. vb vb vb vb vb
, attendees, 455 attendees. D)
vb vb v b v b vb
(60%, 70%)
v b vb
8) A student wanted to know the favorite lunch at a large high school with a closed
vb vb vb vb vb vb vb vb vb vb vb vb vb vb vb
campus. What is the first step in conducting a statistical study to answer the
vb v b vb vb vb vb vb vb vb vb vb vb vb vb vb
question?
vb
A) Select a random sample of students.
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B) Precisely state the goal of the study.
vb vb vb vb vb vb
2
Copyright © 2018 Pearson Education, Inc.
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