INSTRUCTOR’S SOLUTIONS MANUAL
JAMES LAPP
Colorado Mesa University
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U
SE
ELEMENTARY STATISTICS
IS
USING THE TI-83/84 PLUS CALCULATOR
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F IFTH EDITION
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Mario F. Triola
N
O
C
ED
M
, CONTENTS
Chapter 1: Introduction To Statistics
Section 1-1: Statistical and Critical Thinking ...................................................................1
Section 1-2: Types of Data ...............................................................................................3
Section 1-3: Collecting Sample Data ................................................................................4
Section 1-4: Introduction to the TI-83/84 Plus Calculator................................................5
Chapter Quick Quiz ..........................................................................................................7
Review Exercises ..............................................................................................................7
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Cumulative Review Exercises ..........................................................................................8
Chapter 2: Exploring Data with Tables and Graphs
U
Section 2-1: Frequency Distributions for Organizing and Summarizing Data ...............11
Section 2-2: Histograms ..................................................................................................16
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Section 2-3: Graphs That Enlighten and Graphs That Deceive ......................................18
Section 2-4: Scatterplots, Correlation, and Regression ..................................................22
Chapter Quick Quiz ........................................................................................................24
Review Exercises ............................................................................................................24
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Cumulative Review Exercises ........................................................................................26
Chapter 3: Describing, Exploring, and Comparing Data
Section 3-1: Measures of Center .....................................................................................27
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Section 3-2: Measures of Variation ................................................................................39
Section 3-3: Measures of Relative Standing and Boxplots .............................................49
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Chapter Quick Quiz ........................................................................................................54
Review Exercises ............................................................................................................55
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Cumulative Review Exercises ........................................................................................56
Chapter 4: Probability
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Section 4-1: Basic Concepts of Probability ....................................................................59
Section 4-2: Addition Rule and Multiplication Rule ......................................................62
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Section 4-3: Complements, Conditional Probability, and Bayes’ Theorem ...................65
Section 4-4: Counting .....................................................................................................68
Chapter Quick Quiz ........................................................................................................72
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Review Exercises ............................................................................................................73
Cumulative Review Exercises ........................................................................................75
Chapter 5: Discrete Probability Distributions
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Section 5-1: Probability Distributions ............................................................................79
Section 5-2: Binomial Probability Distributions.............................................................83
Section 5-3: Poisson Probability Distributions ...............................................................89
Chapter Quick Quiz ........................................................................................................92
Review Exercises ............................................................................................................93
Cumulative Review Exercises ........................................................................................95
,Chapter 6: Normal Probability Distributions
Section 6-1: The Standard Normal Distribution .............................................................99
Section 6-2: Real Applications of Normal Distributions ..............................................103
Section 6-3: Sampling Distributions and Estimators ....................................................109
Section 6-4: The Central Limit Theorem ......................................................................117
Section 6-5: Assessing Normality .................................................................................122
Section 6-6: Normal as Approximation to Binomial ....................................................125
Chapter Quick Quiz ......................................................................................................130
Review Exercises ..........................................................................................................131
Cumulative Review Exercises ......................................................................................134
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Chapter 7: Estimating Parameters and Determining Sample Sizes
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Section 7-1: Estimating a Population Proportion..........................................................137
Section 7-2: Estimating a Population Mean..................................................................145
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Section 7-3: Estimating a Population Standard Deviation or Variance ........................154
Section 7-4: Bootstrapping: Using Technology for Estimates .....................................159
Chapter Quick Quiz ......................................................................................................161
Review Exercises ..........................................................................................................162
Cumulative Review Exercises ......................................................................................164
Chapter 8: Hypothesis Testing
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Section 8-1: Basics of Hypothesis Testing ...................................................................167
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Section 8-2: Testing a Claim About a Proportion.........................................................169
Section 8-3: Testing a Claim About a Mean .................................................................182
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Section 8-4: Testing a Claim About a Standard Deviation or Variance .......................189
Chapter Quick Quiz ......................................................................................................193
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Review Exercises ..........................................................................................................194
Cumulative Review Exercises ......................................................................................196
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Chapter 9: Chapter 9: Inferences from Two Samples
Section 9-1: Two Proportions .......................................................................................199
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Section 9-2: Two Means: Independent Samples ...........................................................213
Section 9-3: Two Dependent Samples (Matched Pairs) ...............................................224
Section 9-4: Two Variances or Standard Deviations ....................................................232
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Chapter Quick Quiz ......................................................................................................236
Review Exercises ..........................................................................................................236
Cumulative Review Exercises ......................................................................................239
Chapter 10: Correlation and Regression
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Chapter Quick Quiz ......................................................................................................311
Review Exercises ..........................................................................................................311
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Cumulative Review Exercises ......................................................................................312
Chapter 13: Nonparametric Tests
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Section 13-1: Basics of Nonparametric Tests (Not available: no exercises)
Section 13-2: Sign Test .................................................................................................315
Section 13-3: Wilcoxon Signed-Ranks Test for Matched Pairs ...................................317
Section 13-4: Wilcoxon Rank-Sum Test for Two Independent samples ......................320
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Section 13-5: Kruskal-Wallis Test for Three or More Samples ...................................325
Section 13-6: Rank Correlation ....................................................................................328
Section 13-7: Runs Test for Randomness .....................................................................330
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Chapter Quick Quiz ......................................................................................................332
Review Exercises ..........................................................................................................332
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Cumulative Review Exercises ......................................................................................335
Chapter 14: Statistical Process Control
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Section 14-1: Control Charts for Variation and Mean ..................................................337
Section 14-2: Control Charts for Attributes ..................................................................339
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