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INSTRUCTOR’S SOLUTIONS MANUAL
PR
ES
ELEMENTARY STATISTICS
USING THE TI-83/84 PLUS CALCULATOR
SI
F IFTH EDITION
Mario F. Triola
VE
G
R
AD
INSTANT DOWNLOAD
COMPLETE CHAPTERS
ES
COMPLETE ANSWERS
, jhgfdsa
CONTENTS
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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
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Section 1-4: Introduction to the TI-83/84 Plus Calculator................................................. 5
Chapter Quick Quiz ........................................................................................................... 7
Review Exercises .............................................................................................................. 7
Cumulative Review Exercises ........................................................................................... 8
Chapter 2: Exploring Data with Tables and Graphs
Section 2-1: Frequency Distributions for Organizing and Summarizing Data ................ 11
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Section 2-2: Histograms .................................................................................................. 16
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
Cumulative Review Exercises ......................................................................................... 26
SI
Chapter 3: Describing, Exploring, and Comparing Data
Section 3-1: Measures of Center ..................................................................................... 27
Section 3-2: Measures of Variation ................................................................................. 39
Section 3-3: Measures of Relative Standing and Boxplots .............................................. 49
VE
Chapter Quick Quiz ......................................................................................................... 54
Review Exercises ............................................................................................................55
Cumulative Review Exercises ......................................................................................... 56
Chapter 4: Probability
Section 4-1: Basic Concepts of Probability ..................................................................... 59
G
Section 4-2: Addition Rule and Multiplication Rule ....................................................... 62
Section 4-3: Complements, Conditional Probability, and Bayes’ Theorem .................... 65
Section 4-4: Counting ...................................................................................................... 68
Chapter Quick Quiz ......................................................................................................... 72
R
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
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Chapter 6: Normal Probability Distributions
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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
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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
PR
Review Exercises ......................................................................................................... 131
Cumulative Review Exercises .......................................................................................134
Chapter 7: Estimating Parameters and Determining Sample Sizes
Section 7-1: Estimating a Population Proportion...........................................................137
Section 7-2: Estimating a Population Mean ..................................................................145
Section 7-3: Estimating a Population Standard Deviation or Variance .........................154
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Section 7-4: Bootstrapping: Using Technology for Estimates.......................................159
Chapter Quick Quiz .......................................................................................................161
Review Exercises ......................................................................................................... 162
Cumulative Review Exercises .......................................................................................164
Chapter 8: Hypothesis Testing
SI
Section 8-1: Basics of Hypothesis Testing ....................................................................167
Section 8-2: Testing a Claim About a Proportion..........................................................169
Section 8-3: Testing a Claim About a Mean..................................................................182
Section 8-4: Testing a Claim About a Standard Deviation or Variance ........................189
Chapter Quick Quiz .......................................................................................................193
VE
Review Exercises ......................................................................................................... 194
Cumulative Review Exercises .......................................................................................196
Chapter 9: Chapter 9: Inferences from Two Samples
Section 9-1: Two Proportions ........................................................................................199
Section 9-2: Two Means: Independent Samples............................................................213
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Section 9-3: Two Dependent Samples (Matched Pairs) ................................................224
Section 9-4: Two Variances or Standard Deviations .....................................................232
Chapter Quick Quiz .......................................................................................................236
Review Exercises ......................................................................................................... 236
R
Cumulative Review Exercises .......................................................................................239
Chapter 10: Correlation and Regression
Section 10-1: Correlation ..............................................................................................243
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Section 10-2: Regression ...............................................................................................249
Section 10-3: Prediction Intervals and Variation .......................................................... 266
Section 10-4: Multiple Regression ................................................................................268
Section 10-5: Nonlinear Regression ..............................................................................271
Chapter Quick Quiz .......................................................................................................276
Review Exercises ......................................................................................................... 277
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Cumulative Review Exercises .......................................................................................279
Chapter 11: Goodness-of-Fit and Contingency Tables
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Section 11-1: Goodness-of-Fit.......................................................................................283
Section 11-2: Contingency Tables.................................................................................292
Chapter Quick Quiz .......................................................................................................299
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Review Exercises ......................................................................................................... 300
Cumulative Review Exercises .......................................................................................302
Chapter 12: Analysis of Variance
PR
Section 12-1: One-Way ANOVA..................................................................................307
Section 12-2: Two-Way ANOVA .................................................................................310
Chapter Quick Quiz .......................................................................................................311
Review Exercises ......................................................................................................... 311
Cumulative Review Exercises .......................................................................................312
Chapter 13: Nonparametric Tests
ES
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
Section 13-5: Kruskal-Wallis Test for Three or More Samples ....................................325
Section 13-6: Rank Correlation .....................................................................................328
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Section 13-7: Runs Test for Randomness ......................................................................330
Chapter Quick Quiz .......................................................................................................332
Review Exercises ......................................................................................................... 332
Cumulative Review Exercises .......................................................................................335
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Chapter 14: Statistical Process Control
Section 14-1: Control Charts for Variation and Mean ...................................................337
Section 14-2: Control Charts for Attributes...................................................................339
Chapter Quick Quiz .......................................................................................................344
Review Exercises ......................................................................................................... 345
Cumulative Review Exercises .......................................................................................346
G
Chapter 15: Ethics In Statistics
(Not available: no exercises)
R
AD
ES
M
INSTRUCTOR’S SOLUTIONS MANUAL
PR
ES
ELEMENTARY STATISTICS
USING THE TI-83/84 PLUS CALCULATOR
SI
F IFTH EDITION
Mario F. Triola
VE
G
R
AD
INSTANT DOWNLOAD
COMPLETE CHAPTERS
ES
COMPLETE ANSWERS
, jhgfdsa
CONTENTS
M
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
PR
Section 1-4: Introduction to the TI-83/84 Plus Calculator................................................. 5
Chapter Quick Quiz ........................................................................................................... 7
Review Exercises .............................................................................................................. 7
Cumulative Review Exercises ........................................................................................... 8
Chapter 2: Exploring Data with Tables and Graphs
Section 2-1: Frequency Distributions for Organizing and Summarizing Data ................ 11
ES
Section 2-2: Histograms .................................................................................................. 16
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
Cumulative Review Exercises ......................................................................................... 26
SI
Chapter 3: Describing, Exploring, and Comparing Data
Section 3-1: Measures of Center ..................................................................................... 27
Section 3-2: Measures of Variation ................................................................................. 39
Section 3-3: Measures of Relative Standing and Boxplots .............................................. 49
VE
Chapter Quick Quiz ......................................................................................................... 54
Review Exercises ............................................................................................................55
Cumulative Review Exercises ......................................................................................... 56
Chapter 4: Probability
Section 4-1: Basic Concepts of Probability ..................................................................... 59
G
Section 4-2: Addition Rule and Multiplication Rule ....................................................... 62
Section 4-3: Complements, Conditional Probability, and Bayes’ Theorem .................... 65
Section 4-4: Counting ...................................................................................................... 68
Chapter Quick Quiz ......................................................................................................... 72
R
Review Exercises ............................................................................................................73
Cumulative Review Exercises ......................................................................................... 75
Chapter 5: Discrete Probability Distributions
AD
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
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Chapter 6: Normal Probability Distributions
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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
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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
PR
Review Exercises ......................................................................................................... 131
Cumulative Review Exercises .......................................................................................134
Chapter 7: Estimating Parameters and Determining Sample Sizes
Section 7-1: Estimating a Population Proportion...........................................................137
Section 7-2: Estimating a Population Mean ..................................................................145
Section 7-3: Estimating a Population Standard Deviation or Variance .........................154
ES
Section 7-4: Bootstrapping: Using Technology for Estimates.......................................159
Chapter Quick Quiz .......................................................................................................161
Review Exercises ......................................................................................................... 162
Cumulative Review Exercises .......................................................................................164
Chapter 8: Hypothesis Testing
SI
Section 8-1: Basics of Hypothesis Testing ....................................................................167
Section 8-2: Testing a Claim About a Proportion..........................................................169
Section 8-3: Testing a Claim About a Mean..................................................................182
Section 8-4: Testing a Claim About a Standard Deviation or Variance ........................189
Chapter Quick Quiz .......................................................................................................193
VE
Review Exercises ......................................................................................................... 194
Cumulative Review Exercises .......................................................................................196
Chapter 9: Chapter 9: Inferences from Two Samples
Section 9-1: Two Proportions ........................................................................................199
Section 9-2: Two Means: Independent Samples............................................................213
G
Section 9-3: Two Dependent Samples (Matched Pairs) ................................................224
Section 9-4: Two Variances or Standard Deviations .....................................................232
Chapter Quick Quiz .......................................................................................................236
Review Exercises ......................................................................................................... 236
R
Cumulative Review Exercises .......................................................................................239
Chapter 10: Correlation and Regression
Section 10-1: Correlation ..............................................................................................243
AD
Section 10-2: Regression ...............................................................................................249
Section 10-3: Prediction Intervals and Variation .......................................................... 266
Section 10-4: Multiple Regression ................................................................................268
Section 10-5: Nonlinear Regression ..............................................................................271
Chapter Quick Quiz .......................................................................................................276
Review Exercises ......................................................................................................... 277
ES
Cumulative Review Exercises .......................................................................................279
Chapter 11: Goodness-of-Fit and Contingency Tables
, jhgfdsa
Section 11-1: Goodness-of-Fit.......................................................................................283
Section 11-2: Contingency Tables.................................................................................292
Chapter Quick Quiz .......................................................................................................299
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Review Exercises ......................................................................................................... 300
Cumulative Review Exercises .......................................................................................302
Chapter 12: Analysis of Variance
PR
Section 12-1: One-Way ANOVA..................................................................................307
Section 12-2: Two-Way ANOVA .................................................................................310
Chapter Quick Quiz .......................................................................................................311
Review Exercises ......................................................................................................... 311
Cumulative Review Exercises .......................................................................................312
Chapter 13: Nonparametric Tests
ES
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
Section 13-5: Kruskal-Wallis Test for Three or More Samples ....................................325
Section 13-6: Rank Correlation .....................................................................................328
SI
Section 13-7: Runs Test for Randomness ......................................................................330
Chapter Quick Quiz .......................................................................................................332
Review Exercises ......................................................................................................... 332
Cumulative Review Exercises .......................................................................................335
VE
Chapter 14: Statistical Process Control
Section 14-1: Control Charts for Variation and Mean ...................................................337
Section 14-2: Control Charts for Attributes...................................................................339
Chapter Quick Quiz .......................................................................................................344
Review Exercises ......................................................................................................... 345
Cumulative Review Exercises .......................................................................................346
G
Chapter 15: Ethics In Statistics
(Not available: no exercises)
R
AD
ES
