VE
R
INSTRUCTOR’S SOLUTIONS
IF
MANUAL
IE
D
BR
JAMES LAPP
AI
N
BO
ELEMENTARY STATISTICS
O
USING THE TI-83/84 PLUS
ST
CALCULATOR
ER
F OURTH E DITION
Mario F. Triola
Dutchess Community College
Boston Columbus Indianapolis New York San Francisco Upper Saddle River
Amsterdam Cape Town Dubai London Madrid Milan Munich Paris Montreal Toronto
Delhi Mexico City São Paulo Sydney Hong Kong Seoul Singapore Taipei Tokyo
VERIFIEDBRAINBOOSTER
, VE
R
IF
IE
D
BR
AI
N
BO
O
ST
The author and publisher of this book have used their best efforts in preparing this book. 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
ER
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.
Reproduced by Pearson from electronic files supplied by the author.
Copyright © 2015, 2011, 2008, 2005 Pearson Education, Inc.
Publishing as Pearson, 75 Arlington 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: 978-0-321-95299-8
ISBN-10: 0-321-95299-5
www.pearsonhighered.com
VERIFIEDBRAINBOOSTER
, VE
R
CONTENTS
IF
Chapter 1: Introduction to Statistics
IE
Section 1-2 .....................................................................................................................1
Section 1-3 .....................................................................................................................3
D
Section 1-4 .....................................................................................................................4
BR
Section 1-5 .....................................................................................................................5
Chapter Quick Quiz .......................................................................................................8
Review Exercises ...........................................................................................................8
AI
Cumulative Review Exercises .......................................................................................9
N
Chapter 2: Summarizing and Graphing Data
BO
Section 2-2 ...................................................................................................................11
Section 2-3 ...................................................................................................................17
Section 2-4 ...................................................................................................................19
O
Chapter Quick Quiz .....................................................................................................23
Review Exercises .........................................................................................................23
ST
Cumulative Review Exercises .....................................................................................25
Chapter 3: Statistics for Describing, Exploring, and Comparing Data
ER
Section 3-2 ...................................................................................................................27
Section 3-3 ...................................................................................................................36
Section 3-4 ...................................................................................................................43
Chapter Quick Quiz .....................................................................................................47
Review Exercises .........................................................................................................47
Cumulative Review Exercises .....................................................................................48
Chapter 4: Probability
Section 4-2 ...................................................................................................................51
Section 4-3 ...................................................................................................................53
Section 4-4 ...................................................................................................................55
Section 4-5 ...................................................................................................................58
Section 4-6 ...................................................................................................................60
Chapter Quick Quiz .....................................................................................................63
Review Exercises .........................................................................................................64
Cumulative Review Exercises .....................................................................................65
Chapter 5: Discrete Probability Distributions
Section 5-2 ...................................................................................................................67
Section 5-3 ...................................................................................................................70
Section 5-4 ...................................................................................................................74
Section 5-5 ...................................................................................................................77
Chapter Quick Quiz .....................................................................................................80
Review Exercises .........................................................................................................81
Cumulative Review Exercises .....................................................................................82
VERIFIEDBRAINBOOSTER
, VE
R
Chapter 6: Normal Probability Distributions
IF
Section 6-2 ...................................................................................................................85
Section 6-3 ...................................................................................................................88
IE
Section 6-4 ...................................................................................................................95
Section 6-5 .................................................................................................................100
D
Section 6-6 .................................................................................................................107
Section 6-7 .................................................................................................................109
BR
Chapter Quick Quiz ...................................................................................................115
Review Exercises .......................................................................................................116
AI
Cumulative Review Exercises ...................................................................................118
Chapter 7: Estimates and Sample Sizes
N
Section 7-2 .................................................................................................................121
BO
Section 7-3 .................................................................................................................130
Section 7-4 .................................................................................................................138
Chapter Quick Quiz ...................................................................................................144
O
Review Exercises .......................................................................................................145
ST
Cumulative Review Exercises ...................................................................................147
Chapter 8: Hypothesis Testing
ER
Section 8-2 .................................................................................................................149
Section 8-3 .................................................................................................................152
Section 8-4 .................................................................................................................162
Section 8-5 .................................................................................................................170
Chapter Quick Quiz ...................................................................................................175
Review Exercises .......................................................................................................176
Cumulative Review Exercises ...................................................................................178
Chapter 9: Inferences from Two Samples
Section 9-2 .................................................................................................................181
Section 9-3 .................................................................................................................192
Section 9-4 .................................................................................................................203
Section 9-5 .................................................................................................................208
Chapter Quick Quiz ...................................................................................................211
Review Exercises .......................................................................................................212
Cumulative Review Exercises ...................................................................................215
Chapter 10: Correlation and Regression
Section 10-2 ...............................................................................................................217
Section 10-3 ...............................................................................................................226
Section 10-4 ...............................................................................................................239
Section 10-5 ...............................................................................................................241
Section 10-6 ...............................................................................................................245
Chapter Quick Quiz ...................................................................................................249
Review Exercises .......................................................................................................250
Cumulative Review Exercises ...................................................................................252
VERIFIEDBRAINBOOSTER
R
INSTRUCTOR’S SOLUTIONS
IF
MANUAL
IE
D
BR
JAMES LAPP
AI
N
BO
ELEMENTARY STATISTICS
O
USING THE TI-83/84 PLUS
ST
CALCULATOR
ER
F OURTH E DITION
Mario F. Triola
Dutchess Community College
Boston Columbus Indianapolis New York San Francisco Upper Saddle River
Amsterdam Cape Town Dubai London Madrid Milan Munich Paris Montreal Toronto
Delhi Mexico City São Paulo Sydney Hong Kong Seoul Singapore Taipei Tokyo
VERIFIEDBRAINBOOSTER
, VE
R
IF
IE
D
BR
AI
N
BO
O
ST
The author and publisher of this book have used their best efforts in preparing this book. 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
ER
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.
Reproduced by Pearson from electronic files supplied by the author.
Copyright © 2015, 2011, 2008, 2005 Pearson Education, Inc.
Publishing as Pearson, 75 Arlington 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: 978-0-321-95299-8
ISBN-10: 0-321-95299-5
www.pearsonhighered.com
VERIFIEDBRAINBOOSTER
, VE
R
CONTENTS
IF
Chapter 1: Introduction to Statistics
IE
Section 1-2 .....................................................................................................................1
Section 1-3 .....................................................................................................................3
D
Section 1-4 .....................................................................................................................4
BR
Section 1-5 .....................................................................................................................5
Chapter Quick Quiz .......................................................................................................8
Review Exercises ...........................................................................................................8
AI
Cumulative Review Exercises .......................................................................................9
N
Chapter 2: Summarizing and Graphing Data
BO
Section 2-2 ...................................................................................................................11
Section 2-3 ...................................................................................................................17
Section 2-4 ...................................................................................................................19
O
Chapter Quick Quiz .....................................................................................................23
Review Exercises .........................................................................................................23
ST
Cumulative Review Exercises .....................................................................................25
Chapter 3: Statistics for Describing, Exploring, and Comparing Data
ER
Section 3-2 ...................................................................................................................27
Section 3-3 ...................................................................................................................36
Section 3-4 ...................................................................................................................43
Chapter Quick Quiz .....................................................................................................47
Review Exercises .........................................................................................................47
Cumulative Review Exercises .....................................................................................48
Chapter 4: Probability
Section 4-2 ...................................................................................................................51
Section 4-3 ...................................................................................................................53
Section 4-4 ...................................................................................................................55
Section 4-5 ...................................................................................................................58
Section 4-6 ...................................................................................................................60
Chapter Quick Quiz .....................................................................................................63
Review Exercises .........................................................................................................64
Cumulative Review Exercises .....................................................................................65
Chapter 5: Discrete Probability Distributions
Section 5-2 ...................................................................................................................67
Section 5-3 ...................................................................................................................70
Section 5-4 ...................................................................................................................74
Section 5-5 ...................................................................................................................77
Chapter Quick Quiz .....................................................................................................80
Review Exercises .........................................................................................................81
Cumulative Review Exercises .....................................................................................82
VERIFIEDBRAINBOOSTER
, VE
R
Chapter 6: Normal Probability Distributions
IF
Section 6-2 ...................................................................................................................85
Section 6-3 ...................................................................................................................88
IE
Section 6-4 ...................................................................................................................95
Section 6-5 .................................................................................................................100
D
Section 6-6 .................................................................................................................107
Section 6-7 .................................................................................................................109
BR
Chapter Quick Quiz ...................................................................................................115
Review Exercises .......................................................................................................116
AI
Cumulative Review Exercises ...................................................................................118
Chapter 7: Estimates and Sample Sizes
N
Section 7-2 .................................................................................................................121
BO
Section 7-3 .................................................................................................................130
Section 7-4 .................................................................................................................138
Chapter Quick Quiz ...................................................................................................144
O
Review Exercises .......................................................................................................145
ST
Cumulative Review Exercises ...................................................................................147
Chapter 8: Hypothesis Testing
ER
Section 8-2 .................................................................................................................149
Section 8-3 .................................................................................................................152
Section 8-4 .................................................................................................................162
Section 8-5 .................................................................................................................170
Chapter Quick Quiz ...................................................................................................175
Review Exercises .......................................................................................................176
Cumulative Review Exercises ...................................................................................178
Chapter 9: Inferences from Two Samples
Section 9-2 .................................................................................................................181
Section 9-3 .................................................................................................................192
Section 9-4 .................................................................................................................203
Section 9-5 .................................................................................................................208
Chapter Quick Quiz ...................................................................................................211
Review Exercises .......................................................................................................212
Cumulative Review Exercises ...................................................................................215
Chapter 10: Correlation and Regression
Section 10-2 ...............................................................................................................217
Section 10-3 ...............................................................................................................226
Section 10-4 ...............................................................................................................239
Section 10-5 ...............................................................................................................241
Section 10-6 ...............................................................................................................245
Chapter Quick Quiz ...................................................................................................249
Review Exercises .......................................................................................................250
Cumulative Review Exercises ...................................................................................252
VERIFIEDBRAINBOOSTER
