UNDERSTANDING MATHEMATICS: A QUANTITATIVE REASONING
APPROACH SEVENTH EDITION
,INSTRUCTOR’S TESTING
MANUAL
DAWN DABNEY
USING &
UNDERSTANDING
MATHEMATICS: A
QUANTITATIVE
REASONING APPROACH
SEVENTH EDITION
Jeffrey Bennett
William Briggs
, Table of Contents
1 Thinking Critically
1A Living in the Media Age .......................................................................... 1
1B Propositions and Truth Values .............................................................. 9
1C Sets and Venn Diagrams ..................................................................... 17
1D Analyzing Arguments ........................................................................... 29
1E Critical Thinking in Everyday Life ......................................................... 37
2 Approaches to Problem Solving
2A Understand, Solve, and Explain .......................................................... 46
2B Extending Unit Analysis ....................................................................... 52
2C Problem-Solving Hints ........................................................................ 58
3 Numbers in the Real World
3A Uses and Abuses of Percentages ........................................................ 66
3B Putting Numbers in Perspective .......................................................... 74
3C Dealing with Uncertainty ..................................................................... 80
3D Index Numbers: The CPI and Beyond .................................................. 88
3E How Numbers Can Deceive: Polygraphs,
Mammograms, and More .................................................................... 96
4 Managing Money
4A Taking Control of Your Finances........................................................ 108
4B The Power of Compounding .............................................................. 114
4C Savings Plans and Investments ......................................................... 120
4D Loan Payments, Credit Cards, and Mortgages .................................. 126
4E Income Taxes .................................................................................... 132
4F Understanding the Federal Budget.................................................... 140
5 Statistical Reasoning
5A Fundamentals of Statistics ............................................................... 146
5B Should You Believe a Statistical Study? ............................................ 154
5C Statistical Tables and Graphs ........................................................... 162
5D Graphics in the Media........................................................................ 172
5E Correlation and Causality.................................................................. 176
6 Putting Statistics to Work
6A Characterizing Data........................................................................... 186
6B Measures of Variation ....................................................................... 194
, 6C The Normal Distribution .................................................................... 202
6D Statistical Inference .......................................................................... 210