ONLINE
TEST BANK
B B
STATISTICAL REASONING FOR B B
BEVERYDAY LIFE B
FIFTHEDITION B
JeffreyBennett b
University of Colorado at Boulder
b b b b
WilliamL.Briggs b b
University of Colorado at Denver
b b b b
Mario F.Triola b b
Dutchess Community College
b b
,The author and publisher have used their best efforts in preparing this supplement. These efforts include the development,
b b b b b b b b b b b b b b b b b
research, and testing of the theories and programs to determine their effectiveness. The author and publisher make no
b b b b b b b b b b b b b b b b b b
warranty of any kind, expressed or implied, with regard to these programs or the documentation contained in this book. The
b b b b b b b b b b b b b b b b b b b b
author and publisher shall not be liable in any event for incidental or consequential damages in connection with, or arising
b b b b b b b b b b b b b b b b b b b b
out of, the furnishing, performance, or use of these programs.
b b b b b b b b b b
Provided by Pearson from electronic files supplied by the author. Copyright
b b b b b b b b b b
© 2018, 2014 Pearson Education, Inc.
b b b b b b
Publishing as Pearson, 501 Boylston Street, Boston, MA 02116.
b b b b b b b b
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form
b b b b b b b b b b b b b b b b b b b b
or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of
b b b b b b b b b b b b b b b b
the publisher. Printed in the United States of America.
b b b b b b b b b
ISBN-13: 978-0-13-445697-3 b
ISBN-10: 0-13-445697-1 b
www.pearsonhighered.com
,Contents
Chapter 1 b Speaking of Statistics ....................................................................................... 1
b b
Chapter 2 b Measurement in Statistics .............................................................................. 13
b b
Chapter 3 b Visual Displays of Data .................................................................................. 21
b b b
Chapter 4 b Describing Data ............................................................................................. 44
b
Chapter 5 b A Normal World ............................................................................................ 63
b b
Chapter 6 b Probability in Statistics .................................................................................. 71
b b
Chapter 7 b Correlation and Causality............................................................................... 83
b b
Chapter 8 b Inferences from Samples to Populations ....................................................... 100
b b b b
Chapter 9 b Hypothesis Testing ...................................................................................... 108
b
Chapter 10 b t Tests, Two-Way Tables, and ANOVA...................................................... 123
b b b b b
Answers ........................................................................................................................... 135
iii
, Statistical Reasoning for Everyday Life
b b b b
Chapter 1 (Speaking of Statistics) Exam, form A
b b b b b b b
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or
b b b b b b b b b b b
answers the question.
b b b
For problems 1 and 2, determine whether the evaluated group is a population or a sample.
b b b b b b b b b b b b b b b
1) The average (mean) age of all 63 Associate Professors at Cliffton University is 47 years.
b b b b b b b b b b b b b b
A) Population B) Sample b
2) A researcher examines the property tax records of 84 property owners in one city and finds that 17% are
b b b b b b b b b b b b b b b b b b
behind in their tax payments.
b b b b b
A) Population B) Sample b
For problems 3 and 4, determine whether the given value is a statistic or a parameter.
b b b b b b b b b b b b b b b
3) The average (mean) age of all 63 Associate Professors at Cliffton University is 47 years.
b b b b b b b b b b b b b b
A) Statistic B) Parameter b
4) A researcher examines the property tax records of 84 property owners in one city and finds that 17% are
b b b b b b b b b b b b b b b b b b
behind in their tax payments.
b b b b b
A) Statistic B) Parameter b
5) Following the Republican National Convention, a poll of 600 voters in a central Illinois community
b b b b b b b b b b b b b b
showed that 57% expected the Republican ticket to win over the Democrat ticket no matter whom the
b b b b b b b b b b b b b b b b b
Democrats chose for vice-president. The margin of error was 4 percentage points. There are 25,000
b b b b b b b b b b b b b b b
registered voters in the community. Which range of values is likely to contain the population parameter?
b b b b b b b b b b b b b b b b
A) 13,250 to 15,250 B) 24,400 to 25,600 b b b b b
C) 318 to 366 b D) 53% to 61% b b b b b
6) A poll of 488 citizens of Normal, Illinois, showed that 65% favored strict enforcement of speed limits with
b b b b b b b b b b b b b b b b b
a margin of error of 4%. A second poll of 495 citizens of the same town showed that 34% favored strict
b b b b b b b b b b b b b b b b b b b b b
enforcement of speed limits. Assuming that proper sampling techniques were used in both polls, one may
b b b b b b b b b b b b b b b b
conclude that
b b
A) the percent of the population that favors strict enforcement of speed limits is 49.5% 8%.
b b b b b b b b b b b b b b b
B) the percent of the population that favors strict enforcement of speed limits is 49.5% 4%.
b b b b b b b b b b b b b b b
C) one or both of the samples may have been unlikely samples from the population.
b b b b b b b b b b b b b
D) the percent of the population that favors strict enforcement of speed limits is 65% 8%.
b b b b b b b b b b b b b b b
7) A poll of 700 attendees of the Taste of Chicago showed that 445 attendees, 65% of the sample, believed
b b b b b b b b b b b b b b b b b b
that the food was overpriced. It is estimated that 1,250,000 people attend the Taste. Although 65% plus or
b b b b b b b b b b b b b b b b b b
minus 5% of attendees believe that the food is overpriced, the Taste is a popular event. The raw data of the
b b b b b b b b b b b b b b b b b b b b b
study is (are)
b b b
A) 65% of the sample. b b b
B) 700 attendees, 455 attendees. b b b
C) 1,250,000 attendees, 700 attendees, 455 attendees. b b b b b
D) (60%, 70%) b
8) A student wanted to know the favorite lunch at a large high school with a closed campus. What is the first
b b b b b b b b b b b b b b b b b b b b
step in conducting a statistical study to answer the question?
b b b b b b b b b b
A) Select a random sample of students. b b b b b
B) Precisely state the goal of the study. b b b b b b
C) Select a random sample of students and teachers. b b b b b b b
D) Select a random sample of teachers. b b b b b
1
Copyright © 2018 Pearson Education, Inc. b b b b b
TEST BANK
B B
STATISTICAL REASONING FOR B B
BEVERYDAY LIFE B
FIFTHEDITION B
JeffreyBennett b
University of Colorado at Boulder
b b b b
WilliamL.Briggs b b
University of Colorado at Denver
b b b b
Mario F.Triola b b
Dutchess Community College
b b
,The author and publisher have used their best efforts in preparing this supplement. These efforts include the development,
b b b b b b b b b b b b b b b b b
research, and testing of the theories and programs to determine their effectiveness. The author and publisher make no
b b b b b b b b b b b b b b b b b b
warranty of any kind, expressed or implied, with regard to these programs or the documentation contained in this book. The
b b b b b b b b b b b b b b b b b b b b
author and publisher shall not be liable in any event for incidental or consequential damages in connection with, or arising
b b b b b b b b b b b b b b b b b b b b
out of, the furnishing, performance, or use of these programs.
b b b b b b b b b b
Provided by Pearson from electronic files supplied by the author. Copyright
b b b b b b b b b b
© 2018, 2014 Pearson Education, Inc.
b b b b b b
Publishing as Pearson, 501 Boylston Street, Boston, MA 02116.
b b b b b b b b
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form
b b b b b b b b b b b b b b b b b b b b
or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of
b b b b b b b b b b b b b b b b
the publisher. Printed in the United States of America.
b b b b b b b b b
ISBN-13: 978-0-13-445697-3 b
ISBN-10: 0-13-445697-1 b
www.pearsonhighered.com
,Contents
Chapter 1 b Speaking of Statistics ....................................................................................... 1
b b
Chapter 2 b Measurement in Statistics .............................................................................. 13
b b
Chapter 3 b Visual Displays of Data .................................................................................. 21
b b b
Chapter 4 b Describing Data ............................................................................................. 44
b
Chapter 5 b A Normal World ............................................................................................ 63
b b
Chapter 6 b Probability in Statistics .................................................................................. 71
b b
Chapter 7 b Correlation and Causality............................................................................... 83
b b
Chapter 8 b Inferences from Samples to Populations ....................................................... 100
b b b b
Chapter 9 b Hypothesis Testing ...................................................................................... 108
b
Chapter 10 b t Tests, Two-Way Tables, and ANOVA...................................................... 123
b b b b b
Answers ........................................................................................................................... 135
iii
, Statistical Reasoning for Everyday Life
b b b b
Chapter 1 (Speaking of Statistics) Exam, form A
b b b b b b b
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or
b b b b b b b b b b b
answers the question.
b b b
For problems 1 and 2, determine whether the evaluated group is a population or a sample.
b b b b b b b b b b b b b b b
1) The average (mean) age of all 63 Associate Professors at Cliffton University is 47 years.
b b b b b b b b b b b b b b
A) Population B) Sample b
2) A researcher examines the property tax records of 84 property owners in one city and finds that 17% are
b b b b b b b b b b b b b b b b b b
behind in their tax payments.
b b b b b
A) Population B) Sample b
For problems 3 and 4, determine whether the given value is a statistic or a parameter.
b b b b b b b b b b b b b b b
3) The average (mean) age of all 63 Associate Professors at Cliffton University is 47 years.
b b b b b b b b b b b b b b
A) Statistic B) Parameter b
4) A researcher examines the property tax records of 84 property owners in one city and finds that 17% are
b b b b b b b b b b b b b b b b b b
behind in their tax payments.
b b b b b
A) Statistic B) Parameter b
5) Following the Republican National Convention, a poll of 600 voters in a central Illinois community
b b b b b b b b b b b b b b
showed that 57% expected the Republican ticket to win over the Democrat ticket no matter whom the
b b b b b b b b b b b b b b b b b
Democrats chose for vice-president. The margin of error was 4 percentage points. There are 25,000
b b b b b b b b b b b b b b b
registered voters in the community. Which range of values is likely to contain the population parameter?
b b b b b b b b b b b b b b b b
A) 13,250 to 15,250 B) 24,400 to 25,600 b b b b b
C) 318 to 366 b D) 53% to 61% b b b b b
6) A poll of 488 citizens of Normal, Illinois, showed that 65% favored strict enforcement of speed limits with
b b b b b b b b b b b b b b b b b
a margin of error of 4%. A second poll of 495 citizens of the same town showed that 34% favored strict
b b b b b b b b b b b b b b b b b b b b b
enforcement of speed limits. Assuming that proper sampling techniques were used in both polls, one may
b b b b b b b b b b b b b b b b
conclude that
b b
A) the percent of the population that favors strict enforcement of speed limits is 49.5% 8%.
b b b b b b b b b b b b b b b
B) the percent of the population that favors strict enforcement of speed limits is 49.5% 4%.
b b b b b b b b b b b b b b b
C) one or both of the samples may have been unlikely samples from the population.
b b b b b b b b b b b b b
D) the percent of the population that favors strict enforcement of speed limits is 65% 8%.
b b b b b b b b b b b b b b b
7) A poll of 700 attendees of the Taste of Chicago showed that 445 attendees, 65% of the sample, believed
b b b b b b b b b b b b b b b b b b
that the food was overpriced. It is estimated that 1,250,000 people attend the Taste. Although 65% plus or
b b b b b b b b b b b b b b b b b b
minus 5% of attendees believe that the food is overpriced, the Taste is a popular event. The raw data of the
b b b b b b b b b b b b b b b b b b b b b
study is (are)
b b b
A) 65% of the sample. b b b
B) 700 attendees, 455 attendees. b b b
C) 1,250,000 attendees, 700 attendees, 455 attendees. b b b b b
D) (60%, 70%) b
8) A student wanted to know the favorite lunch at a large high school with a closed campus. What is the first
b b b b b b b b b b b b b b b b b b b b
step in conducting a statistical study to answer the question?
b b b b b b b b b b
A) Select a random sample of students. b b b b b
B) Precisely state the goal of the study. b b b b b b
C) Select a random sample of students and teachers. b b b b b b b
D) Select a random sample of teachers. b b b b b
1
Copyright © 2018 Pearson Education, Inc. b b b b b
