ONLINE
TEST BANK
STATISTICAL REASONING
FOR EVERYDAY LIFE
FIFTH EDITION
Jeffrey Bennett
University of Colorado at Boulder
William L. Briggs
University of Colorado at Denver
Mario F. Triola
Dutchess Community College
,The author and publisher have used their best efforts in preparing this supplement. These efforts include the
development, research, and testing of the theories and programs to determine their effectiveness. The author and
publisher make no warranty of any kind, expressed or implied, with regard to these programs or the documentation
contained in this book. The author and publisher shall not be liable in any event for incidental or consequential
damages in connection with, or arising out of, the furnishing, performance, or use of these programs.
Provided by Pearson from electronic files supplied by the author.
Copyright © 2018, 2014 Pearson Education, Inc.
Publishing as Pearson, 501 Boylston Street, Boston, MA 02116.
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any
form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written
permission of the publisher. Printed in the United States of America.
ISBN-13: 978-0-13-445697-3
ISBN-10: 0-13-445697-1
www.pearsonhighered.com
,Contents
Chapter 1 Speaking of Statistics ...................................................................................... 1
Chapter 2 Measurement in Statistics ............................................................................. 13
Chapter 3 Visual Displays of Data ................................................................................ 21
Chapter 4 Describing Data............................................................................................. 44
Chapter 5 A Normal World ........................................................................................... 63
Chapter 6 Probability in Statistics ................................................................................. 71
Chapter 7 Correlation and Causality.............................................................................. 83
Chapter 8 Inferences from Samples to Populations ..................................................... 100
Chapter 9 Hypothesis Testing...................................................................................... 108
Chapter 10 t Tests, Two-Way Tables, and ANOVA ................................................... 123
Answers ........................................................................................................................... 135
iii
, Statistical Reasoning for Everyday Life
Chapter 1 (Speaking of Statistics) Exam, form A
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or
answers the question.
Forxproblemsx1xandx2,xdeterminexwhetherxthexevaluatedxgroupxisxaxpopulationxorxaxsample.
1) Thexaveragex(mean)xagexofxallx63xAssociatexProfessorsxatxClifftonxUniversityxisx47xyears.
A) Population B)xSample
2) Axresearcherxexaminesxthexpropertyxtaxxrecordsxofx84xpropertyxownersxinxonexcityxandxfindsxtha
tx17%xarexbehindxinxtheirxtaxxpayments.
A) Population B)xSample
Forxproblemsx3xandx4,xdeterminexwhetherxthexgivenxvaluexisxaxstatisticxorxaxparameter.
3) Thexaveragex(mean)xagexofxallx63xAssociatexProfessorsxatxClifftonxUniversityxisx47xyears.
A) Statistic B)xParameter
4) Axresearcherxexaminesxthexpropertyxtaxxrecordsxofx84xpropertyxownersxinxonexcityxandxfindsxtha
tx17%xarexbehindxinxtheirxtaxxpayments.
A) Statistic B)xParameter
5) FollowingxthexRepublicanxNationalxConvention,xaxpollxofx600xvotersxinxaxcentralxIllinoisxcommu
nityxshowedxthatx57%xexpectedxthexRepublicanxticketxtoxwinxoverxthexDemocratxticketxnoxmatter
xwhomxthexDemocratsxchosexforxvice-
president.xThexmarginxofxerrorxwasx4xpercentagexpoints.xTherexarex25,000xregisteredxvotersxinxth
excommunity.xWhichxrangexofxvaluesxisxlikelyxtoxcontainxthexpopulationxparameter?
A) 13,250xtox15,250 B)x24,400xtox25,600
C)x318xtox366 D)x53%xtox61%
6) Axpollxofx488xcitizensxofxNormal,xIllinois,xshowedxthatx65%xfavoredxstrictxenforcementxofxspeedxl
imitsxwithxaxmarginxofxerrorxofx4%.xAxsecondxpollxofx495xcitizensxofxthexsamextownxshowedxthatx
34%xfavoredxstrictxenforcementxofxspeedxlimits.xAssumingxthatxproperxsamplingxtechniquesxwerex
usedxinxbothxpolls,xonexmayxconcludexthat
A) thexpercentxofxthexpopulationxthatxfavorsxstrictxenforcementxofxspeedxlimitsxisx49.5%xx8%.
B) thexpercentxofxthexpopulationxthatxfavorsxstrictxenforcementxofxspeedxlimitsxisx49.5%xx4%.
C) onexorxbothxofxthexsamplesxmayxhavexbeenxunlikelyxsamplesxfromxthexpopulation.
D) thexpercentxofxthexpopulationxthatxfavorsxstrictxenforcementxofxspeedxlimitsxisx65%xx8%.
7) Axpollxofx700xattendeesxofxthexTastexofxChicagoxshowedxthatx445xattendees,x65%xofxthexsample,x
believedxthatxthexfoodxwasxoverpriced.xItxisxestimatedxthatx1,250,000xpeoplexattendxthexTaste.xAlt
houghx65%xplusxorxminusx5%xofxattendeesxbelievexthatxthexfoodxisxoverpriced,xthexTastexisxaxpo
pularxevent.xThexrawxdataxofxthexstudyxisx(are)
A) 65%xofxthexsample.
B) 700xattendees,x455xattendees.
C) 1,250,000xattendees,x700xattendees,x455xattendees.
D) (60%,x70%)
8) Axstudentxwantedxtoxknowxthexfavoritexlunchxatxaxlargexhighxschoolxwithxaxclosedxcampus.xWhat
xisxthexfirstxstepxinxconductingxaxstatisticalxstudyxtoxanswerxthexquestion?
A) Selectxaxrandomxsamplexofxstudents.
B) Preciselyxstatexthexgoalxofxthexstudy.
C) Selectxaxrandomxsamplexofxstudentsxandxteachers.
D) Selectxaxrandomxsamplexofxteachers.
1
Copyright © 2018 Pearson Education, Inc.
TEST BANK
STATISTICAL REASONING
FOR EVERYDAY LIFE
FIFTH EDITION
Jeffrey Bennett
University of Colorado at Boulder
William L. Briggs
University of Colorado at Denver
Mario F. Triola
Dutchess Community College
,The author and publisher have used their best efforts in preparing this supplement. These efforts include the
development, research, and testing of the theories and programs to determine their effectiveness. The author and
publisher make no warranty of any kind, expressed or implied, with regard to these programs or the documentation
contained in this book. The author and publisher shall not be liable in any event for incidental or consequential
damages in connection with, or arising out of, the furnishing, performance, or use of these programs.
Provided by Pearson from electronic files supplied by the author.
Copyright © 2018, 2014 Pearson Education, Inc.
Publishing as Pearson, 501 Boylston Street, Boston, MA 02116.
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any
form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written
permission of the publisher. Printed in the United States of America.
ISBN-13: 978-0-13-445697-3
ISBN-10: 0-13-445697-1
www.pearsonhighered.com
,Contents
Chapter 1 Speaking of Statistics ...................................................................................... 1
Chapter 2 Measurement in Statistics ............................................................................. 13
Chapter 3 Visual Displays of Data ................................................................................ 21
Chapter 4 Describing Data............................................................................................. 44
Chapter 5 A Normal World ........................................................................................... 63
Chapter 6 Probability in Statistics ................................................................................. 71
Chapter 7 Correlation and Causality.............................................................................. 83
Chapter 8 Inferences from Samples to Populations ..................................................... 100
Chapter 9 Hypothesis Testing...................................................................................... 108
Chapter 10 t Tests, Two-Way Tables, and ANOVA ................................................... 123
Answers ........................................................................................................................... 135
iii
, Statistical Reasoning for Everyday Life
Chapter 1 (Speaking of Statistics) Exam, form A
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or
answers the question.
Forxproblemsx1xandx2,xdeterminexwhetherxthexevaluatedxgroupxisxaxpopulationxorxaxsample.
1) Thexaveragex(mean)xagexofxallx63xAssociatexProfessorsxatxClifftonxUniversityxisx47xyears.
A) Population B)xSample
2) Axresearcherxexaminesxthexpropertyxtaxxrecordsxofx84xpropertyxownersxinxonexcityxandxfindsxtha
tx17%xarexbehindxinxtheirxtaxxpayments.
A) Population B)xSample
Forxproblemsx3xandx4,xdeterminexwhetherxthexgivenxvaluexisxaxstatisticxorxaxparameter.
3) Thexaveragex(mean)xagexofxallx63xAssociatexProfessorsxatxClifftonxUniversityxisx47xyears.
A) Statistic B)xParameter
4) Axresearcherxexaminesxthexpropertyxtaxxrecordsxofx84xpropertyxownersxinxonexcityxandxfindsxtha
tx17%xarexbehindxinxtheirxtaxxpayments.
A) Statistic B)xParameter
5) FollowingxthexRepublicanxNationalxConvention,xaxpollxofx600xvotersxinxaxcentralxIllinoisxcommu
nityxshowedxthatx57%xexpectedxthexRepublicanxticketxtoxwinxoverxthexDemocratxticketxnoxmatter
xwhomxthexDemocratsxchosexforxvice-
president.xThexmarginxofxerrorxwasx4xpercentagexpoints.xTherexarex25,000xregisteredxvotersxinxth
excommunity.xWhichxrangexofxvaluesxisxlikelyxtoxcontainxthexpopulationxparameter?
A) 13,250xtox15,250 B)x24,400xtox25,600
C)x318xtox366 D)x53%xtox61%
6) Axpollxofx488xcitizensxofxNormal,xIllinois,xshowedxthatx65%xfavoredxstrictxenforcementxofxspeedxl
imitsxwithxaxmarginxofxerrorxofx4%.xAxsecondxpollxofx495xcitizensxofxthexsamextownxshowedxthatx
34%xfavoredxstrictxenforcementxofxspeedxlimits.xAssumingxthatxproperxsamplingxtechniquesxwerex
usedxinxbothxpolls,xonexmayxconcludexthat
A) thexpercentxofxthexpopulationxthatxfavorsxstrictxenforcementxofxspeedxlimitsxisx49.5%xx8%.
B) thexpercentxofxthexpopulationxthatxfavorsxstrictxenforcementxofxspeedxlimitsxisx49.5%xx4%.
C) onexorxbothxofxthexsamplesxmayxhavexbeenxunlikelyxsamplesxfromxthexpopulation.
D) thexpercentxofxthexpopulationxthatxfavorsxstrictxenforcementxofxspeedxlimitsxisx65%xx8%.
7) Axpollxofx700xattendeesxofxthexTastexofxChicagoxshowedxthatx445xattendees,x65%xofxthexsample,x
believedxthatxthexfoodxwasxoverpriced.xItxisxestimatedxthatx1,250,000xpeoplexattendxthexTaste.xAlt
houghx65%xplusxorxminusx5%xofxattendeesxbelievexthatxthexfoodxisxoverpriced,xthexTastexisxaxpo
pularxevent.xThexrawxdataxofxthexstudyxisx(are)
A) 65%xofxthexsample.
B) 700xattendees,x455xattendees.
C) 1,250,000xattendees,x700xattendees,x455xattendees.
D) (60%,x70%)
8) Axstudentxwantedxtoxknowxthexfavoritexlunchxatxaxlargexhighxschoolxwithxaxclosedxcampus.xWhat
xisxthexfirstxstepxinxconductingxaxstatisticalxstudyxtoxanswerxthexquestion?
A) Selectxaxrandomxsamplexofxstudents.
B) Preciselyxstatexthexgoalxofxthexstudy.
C) Selectxaxrandomxsamplexofxstudentsxandxteachers.
D) Selectxaxrandomxsamplexofxteachers.
1
Copyright © 2018 Pearson Education, Inc.
