Test Bank for Statistical Reasoning for Everyday Life, 5th edition by Jeff Bennett, William Briggs, Mario Triola| new updated version

Test bank for statistical reasoning for
everyday life 5th edition by jeff bennett
william briggs mario triola

,TABLE OF CONTENT DHvb DHvb




Chapter 1 DHvb Speaking of Statistics................................................................................................ 1
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Chapter 2 DHvb Measurement in Statistics ...................................................................................... 13
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Chapter 3 DHvb Visual Displays of Data........................................................................................ 21
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Chapter 4 DHvb Describing Data ....................................................................................................... 44
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Chapter 5 DHvb A Normal World..................................................................................................... 63
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Chapter 6 DHvb Probability in Statistics .......................................................................................... 71
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Chapter 7 DHvb Correlation and Causality ..................................................................................... 83
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Chapter 8 DHvb Inferences from Samples to Populations......................................................... 100
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Chapter 9 DHvb Hypothesis Testing ................................................................................................. 108
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Chapter 10 DHvb 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
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or 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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D H sample.
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1) The average (mean) age of all 63 Associate Professors at Cliffton University is 47
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years.
A) Population B) Sample DHvb




2) A researcher examines the property tax records of 84 property owners in one
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city and finds that 17% are behind in their tax payments.
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A) Population B) Sample DHvb




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
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years.
A) Statistic B) Parameter DHvb




4) A researcher examines the property tax records of 84 property owners in one
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city and finds that 17% are behind in their tax payments.
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A) Statistic B) Parameter DHvb




5) Following the Republican National Convention, a poll of 600 voters in a centr
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al Illinois community showed that 57% expected the Republican ticket to w
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in over the Democrat ticket no matter whom the Democrats chose for vice-
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president. The margin of error was 4 percentage points. There are 25,000
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registered voters in the community. Which range of values is likely to con
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tain the population parameter? DHvb DHvb DHvbD H v b




A) 13,250 to 15,250 DHvb B) 24,400 to 25,600 DHvb DHvb DHvb DHvb DHvb




C) 318 to 366 DHvb D) 53% to 61% DHvb DHvb DHvb DHvb DHvb




6) A poll of 488 citizens of Normal, Illinois, showed that 65% favored strict enforce
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ment of speed limits with a margin of error of 4%. A second poll of 495 ci
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tizens of the same town showed that 34% favored strict enforcement of spee
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d limits. Assuming that proper sampling techniques were used in both polls, on
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e may conclude that DHvb DHvb DHvb




A) the percent of the population that favors strict enforcement of speed limits is 4
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9.5% 8%.
B) the percent of the population that favors strict enforcement of speed limits is 4
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9.5% 4%.
C) one or both of the samples may have been unlikely samples from the populatio
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n.
D) the percent of the population that favors strict enforcement of speed limits is 6
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5% 8%.
7) A poll of 700 attendees of the Taste of Chicago showed that 445 attendees,
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65% of the sample, believed that the food was overpriced. It is estimated
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that 1,250,000 people attend the Taste. Although 65% plus or minus 5%
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of attendees believe that the food is overpriced, the Taste is a popular eve
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nt. The raw data of the study is (are)
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1
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Inc.

, A) 65% of the sample.
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B) 700 attendees, 455 attendees.
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C) 1,250,000 attendees, 700 attend DHvb DHvb DHvb




ees, 455 attendees. D)
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70%)
8) A student wanted to know the favorite lunch at a large high school with a cl
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osed campus.
DHvb What is the first step in conducting a statistical study to an
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swer the 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
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Inc.