Introduction to the Practice of Statistics 8th edition

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David S. Moore, George P. McCabe, and Bruce Craig
Publisher: W. H. Freeman

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  • Chapter 1: Looking at Data—Distributions
    • 1.1: Data
    • 1.2: Displaying Distributions with Graphs (1)
    • 1.3: Describing Distributions with Numbers (7)
    • 1.4: Density Curves and Normal Distributions (8)
    • 1: Exercises (36)

  • Chapter 2: Looking at Data—Relationships
    • 2.1: Relationships
    • 2.2: Scatterplots (5)
    • 2.3: Correlation (1)
    • 2.4: Least-Squares Regression (8)
    • 2.5: Cautions about Correlation and Regression (2)
    • 2.6: Data Analysis for Two-Way Tables (1)
    • 2.7: The Question of Causation (2)
    • 2: Exercises (28)

  • Chapter 3: Producing Data
    • 3.1: Sources of Data
    • 3.2: Design of Experiments
    • 3.3: Sampling Design (2)
    • 3.4: Toward Statistical Inference (2)
    • 3.5: Ethics
    • 3: Exercises (21)

  • Chapter 4: Probability: The Study of Randomness
    • 4.1: Randomness
    • 4.2: Probability Models (9)
    • 4.3: Random Variables
    • 4.4: Means and Variances of Random Variables (10)
    • 4.5: General Probability Rules (10)
    • 4: Exercises (12)

  • Chapter 5: Sampling Distributions
    • 5.1: The Sampling Distribution of a Sample Mean (9)
    • 5.2: Sampling Distributions for Counts and Proportions (5)
    • 5: Exercises (28)

  • Chapter 6: Introduction to Inference
    • 6.1: Estimating with Confidence (2)
    • 6.2: Tests of Significance (4)
    • 6.3: Use and Abuse of Tests (2)
    • 6.4: Power and Inference as a Decision
    • 6: Exercises (28)

  • Chapter 7: Inference for Distributions
    • 7.1: Inference for the Mean of a Population (6)
    • 7.2: Comparing Two Means (7)
    • 7.3: Other Topics in Comparing Distributions (1)
    • 7: Exercises (37)

  • Chapter 8: Inference for Proportions
    • 8.1: Inference for a Single Proportion (3)
    • 8.2: Comparing Two Proportions (2)
    • 8: Exercises (29)

  • Chapter 9: Analysis of Two-Way Tables
    • 9.1: Inference for Two-Way Tables
    • 9.2: Goodness of Fit
    • 9: Exercises (30)

  • Chapter 10: Inference for Regression
    • 10.1: Simple Linear Regression
    • 10.2: More Detail about Simple Linear Regression
    • 10: Exercises (29)

  • Chapter 11: Multiple Regression
    • 11.1: Inference for Multiple Regression
    • 11.2: A Case Study
    • 11: Exercises (27)

  • Chapter 12: One-Way Analysis of Variance
    • 12.1: Inference for One-Way Analysis of Variance
    • 12.2: Comparing the Means (1)
    • 12: Exercises (39)

  • Chapter 13: Two-Way Analysis of Variance
    • 13.1: The Two-Way ANOVA Model
    • 13.2: Inference for Two-Way ANOVA
    • 13: Exercises (25)

  • Chapter 14: Logistic Regression
    • 14.1: The Logistic Regression Model
    • 14.2: Inference for Logistic Regression
    • 14: Exercises

  • Chapter 15: Nonparametric Tests
    • 15.1: The Wilcoxon Rank Sum Test
    • 15.2: The Wilcoxon Signed Rank Test
    • 15.3: The Kruskal-Wallis Test
    • 15: Exercises

  • Chapter 16: Bootstrap Methods and Permutation Tests
    • 16.1: The Bootstrap Idea
    • 16.2: First Steps in Using the Bootstrap
    • 16.3: How Accurate Is a Bootstrap Distribution?
    • 16.4: Bootstrap Confidence Intervals
    • 16.5: Significance Testing Using Permutation Tests
    • 16: Exercises

  • Chapter 17: Statistics for Quality: Control and Capability
    • 17.1: Processes and Statistical Process Control (20)
    • 17.2: Using Control Charts
    • 17.3: Process Capability Indexes
    • 17.4: Control Charts for Sample Proportions
    • 17: Exercises


With this updated new edition, the market-leading Introduction to the Practice of Statistics 8th edition remains unmatched in its ability to show how statisticians actually work. Its focus on data analysis and critical thinking, step-by-step pedagogy, and applications in a variety of professions and disciplines make it exceptionally engaging to students learning core statistical ideas. The WebAssign component for this text engages students with immediate feedback, an interactive eBook with online resources, and a question bank of end-of-section exercises.

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  • Every WebAssign question links to applicable chapters in a fully integrated eBook.
  • Learning Curve adaptive quizzing available for every chapter.
  • StatTutors provide multimedia tutorials with built-in assessments that explore important statistics concepts and procedures.
  • Video Technology Manuals provide brief instructions for using specific statistical software (over 50 topics/videos per software) and are available for TI-83/84 calculators, JMP, Excel, Minitab, SPSS, R, and RCmdr.
  • Statistical Videos consist of StatClips, StatClips Examples, and Statistically Speaking "Snapshots," including animated lecture videos, whiteboard lessons, and documentary-style footage that illustrate key statistical concepts and help students visualize statistics in real-world scenarios.
  • Associated data files from the textbook are available to use for appropriate exercises, formatted for TI-83/84 calculators, JMP, Excel, Minitab, SPSS, R, and RCmdr.
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Questions Available within WebAssign

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Question Group Key
XP - Extra Problem


Question Availability Color Key
BLACK questions are available now
GRAY questions are under development


Group Quantity Questions
Chapter 1: Looking at Data—Distributions
1.E 52 042 064 065 066 071 082 084 088 120 121 124 125 133 146 149 150 164 167 168 169 170 174 175 176 177 501.XP 502.XP 503.XP 504.XP 505.XP 506.XP 507.XP 508.XP 509.XP 510.XP 511.XP 512.XP 513.XP 514.XP 515.XP 516.XP 517.XP 518.XP 519.XP 520.XP 521.XP 522.XP 523.XP 524.XP 525.XP 526.XP 527.XP
Chapter 2: Looking at Data—Relationships
2.E 47 018 019 022 034 036 060 066 067 068 069 070 085 087 090 096 106 131 140 143 169 170 173 174 175 501.XP 502.XP 503.XP 504.XP 505.XP 506.XP 507.XP 508.XP 509.XP 510.XP 511.XP 512.XP 513.XP 514.XP 515.XP 516.XP 517.XP 518.XP 519.XP 520.XP 521.XP 522.XP 523.XP
Chapter 3: Producing Data
3.E 25 057 062 091 092 122 123 127 128 129 130 131 132 133 501.XP 502.XP 503.XP 504.XP 505.XP 506.XP 507.XP 508.XP 509.XP 510.XP 511.XP 512.XP
Chapter 4: Probability: The Study of Randomness
4.E 41 029 031 032 033 034 042 043 044 045 060 061 062 063 064 085 086 091 092 093 118 119 122 123 124 125 127 129 130 131 140 141 142 143 144 149 150 152 501.XP 502.XP 503.XP 504.XP
Chapter 5: Sampling Distributions
5.E 42 014 015 020 024 025 027 029 032 033 056 064 068 071 074 081 082 084 086 087 501.XP 502.XP 503.XP 504.XP 505.XP 506.XP 507.XP 508.XP 509.XP 510.XP 511.XP 512.XP 513.XP 514.XP 515.XP 516.XP 517.XP 518.XP 519.XP 520.XP 521.XP 522.XP 523.XP
Chapter 6: Introduction to Inference
6.E 36 017 036 055 072 073 075 093 100 128 129 130 131 132 133 134 135 137 138 139 501.XP 502.XP 503.XP 504.XP 505.XP 506.XP 507.XP 508.XP 509.XP 510.XP 511.XP 512.XP 513.XP 514.XP 515.XP 516.XP 517.XP
Chapter 7: Inference for Distributions
7.E 51 030 032 034 036 037 039 063 067 074 079 080 088 089 105 115 117 118 124 127 129 134 135 136 137 138 139 140 141 142 143 144 501.XP 502.XP 503.XP 504.XP 505.XP 506.XP 507.XP 508.XP 509.XP 510.XP 511.XP 512.XP 513.XP 514.XP 515.XP 516.XP 517.XP 518.XP 519.XP 520.XP
Chapter 8: Inference for Proportions
8.E 34 018 024 033 058 071 074 075 076 091 094 099 100 101 501.XP 502.XP 503.XP 504.XP 505.XP 506.XP 507.XP 508.XP 509.XP 510.XP 511.XP 512.XP 513.XP 514.XP 515.XP 516.XP 517.XP 518.XP 519.XP 520.XP 521.XP
Chapter 9: Analysis of Two-Way Tables
9.E 30 039 041 042 045 050 051 052 055 501.XP 502.XP 503.XP 504.XP 505.XP 506.XP 507.XP 508.XP 509.XP 510.XP 511.XP 512.XP 513.XP 514.XP 515.XP 516.XP 517.XP 518.XP 519.XP 520.XP 521.XP 522.XP
Chapter 10: Inference for Regression
10.E 29 009 024 032 039 040 051 052 053 055 056 057 058 060 061 501.XP 502.XP 503.XP 504.XP 505.XP 506.XP 507.XP 508.XP 509.XP 510.XP 511.XP 512.XP 513.XP 514.XP 515.XP
Chapter 11: Multiple Regression
11.E 27 501.XP 502.XP 503.XP 504.XP 505.XP 506.XP 507.XP 508.XP 509.XP 510.XP 511.XP 512.XP 513.XP 514.XP 515.XP 516.XP 517.XP 518.XP 519.XP 520.XP 521.XP 522.XP 523.XP 524.XP 525.XP 526.XP 527.XP
Chapter 12: One-Way Analysis of Variance
12.E 40 007 013 015 027 029 034 035 037 038 040 043 045 046 047 048 051 052 054 055 056 057 061 062 064 065 501.XP 502.XP 503.XP 504.XP 505.XP 506.XP 507.XP 508.XP 509.XP 510.XP 511.XP 512.XP 513.XP 514.XP 515.XP
Chapter 13: Two-Way Analysis of Variance
13.E 25 027 028 033 036 038 039 040 041 043 044 045 046 047 048 049 050 052 053 054 055 056 501.XP 515.XP 516.XP 517.XP
Chapter 14: Logistic Regression
14 0  
Chapter 15: Nonparametric Tests
15 0  
Chapter 16: Bootstrap Methods and Permutation Tests
16 0  
Chapter 17: Statistics for Quality: Control and Capability
17.E 20 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020
Total 499