# Understanding Basic Statistics, Brief 5th edition

Charles Henry Brase and Corrine Pellilo Brase
Publisher: Cengage Learning

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• Chapter 1: Getting Started
• 1.1: What Is Statistics? (13)
• 1.2: Random Samples (16)
• 1.3: Introduction to Experimental Design (7)
• 1: Chapter Review Problems (9)

• Chapter 2: Organizing Data
• 2.1: Frequency Distributions, Histograms, and Related Topics (17)
• 2.2: Bar Graphs, Circle Graphs, and Time-Series Graphs (12)
• 2.3: Stem-and-Leaf Displays (10)
• 2: Chapter Review Problems (11)

• Chapter 3: Averages and Variation
• 3.1: Measures of Central Tendency: Mode, Median, and Mean (14)
• 3.2: Measures of Variation (17)
• 3.3: Percentiles and Box-and-Whisker Plots (10)
• 3: Chapter Review Problems (11)

• Chapter 4: Correlation and Regression
• 4.1: Scatter Diagrams and Linear Correlation (20)
• 4.2: Linear Regression and the Coefficient of Determination (17)
• 4: Chapter Review Problems (10)

• Chapter 5: Elementary Probability Theory
• 5.1: What Is Probability? (13)
• 5.2: Some Probability Rules - Compound Events (23)
• 5.3: Trees and Counting Techniques (27)
• 5: Chapter Review Problems (16)

• Chapter 6: The Binomial Probability Distribution and Related Topics
• 6.1: Introduction to Random Variables and Probability Distributions (14)
• 6.2: Binomial Probabilities (18)
• 6.3: Additional Properties of the Binomial Distribution (15)
• 6: Chapter Review Problems (13)

• Chapter 7: Normal Curves and Sampling Distributions
• 7.1: Graphs of Normal Probability Distributions (11)
• 7.2: Standard Units and Areas Under the Standard Normal Distribution (48)
• 7.3: Areas Under Any Normal Curve (35)
• 7.4: Sampling Distributions (9)
• 7.5: The Central Limit Theorem (17)
• 7.6: Normal Approximation to the Binomial Distribution (13)
• 7: Chapter Review Problems (20)

• Chapter 8: Estimation
• 8.1: Estimating When is Known (20)
• 8.2: Estimating When is Unknown (21)
• 8.3: Estimating in the Binomial Distribution (20)
• 8: Chapter Review Problems (12)

• Chapter 9: Hypothesis Testing
• 9.1: Introduction to Statistical Tests (14)
• 9.2: Testing the Mean (30)
• 9.3: Testing a Proportion (22)
• 9: Chapter Review Problems (12)

• Chapter 10: Inferences About Differences
• 10.1: Tests Involving Paired Differences (Dependent Samples) (18)
• 10.2: Inferences About the Difference of Two Means 1 - 2 (22)
• 10.3: Inferences About the Difference of Two Proportions 1 - 2 (18)
• 10: Chapter Review Problems (10)

• Chapter 11: Additional Topics Using Inference
• 11.1: Chi-Square: Tests of Independence (15)
• 11.2: Chi-Square: Goodness of Fit (14)
• 11.3: Testing a Single Variance or Standard Deviation (11)
• 11.4: Inferences for Correlation and Regression (14)
• 11: Chapter Review Problems (11)

## Questions Available within WebAssign

Most questions from this textbook are available in WebAssign. The online questions are identical to the textbook questions except for minor wording changes necessary for Web use. Whenever possible, variables, numbers, or words have been randomized so that each student receives a unique version of the question. This list is updated nightly.

##### Question Group Key
R - Chapter Review Problems

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

Group Quantity Questions
Chapter 1: Getting Started
1.R 9 001 002 003 004 005 006 007 008 009
1.1 13 001 002 003 004 005 006 007 008 009 010 011 012 013
1.2 16 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016
1.3 7 001 002 003 004 005 006 007
Chapter 2: Organizing Data
2.R 11 001 002 003 004 005 006 007 008 009 010 011
2.1 17 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017
2.2 12 001 002 003 004 005 006 007 008 009 010 011 012
2.3 10 001 002 003 004 005 006 007 008 009 010
Chapter 3: Averages and Variation
3.R 11 001 002 003 004 005 006 007 008 009 010 011
3.1 14 001 002 003 004 005 006 007 008 009 010 011 012 013 014
3.2 17 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017
3.3 10 001 002 003 004 005 006 007 008 009 010
Chapter 4: Correlation and Regression
4.R 10 001 002 003 004 005 006 007 008 009 010
4.1 20 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020
4.2 17 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017
Chapter 5: Elementary Probability Theory
5.R 16 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016
5.1 13 001 002 003 004 005 006 007 008 009 010 011 012 013
5.2 23 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023
5.3 27 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027
Chapter 6: The Binomial Probability Distribution and Related Topics
6.R 13 001 002 003 004 005 006 007 008 009 010 011 012 013
6.1 14 001 002 003 004 005 006 007 008 009 010 011 012 013 014
6.2 18 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018
6.3 15 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015
Chapter 7: Normal Curves and Sampling Distributions
7.R 20 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020
7.1 11 001 002 003 004 005 006 007 008 009 010 011
7.2 48 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028 029 030 031 032 033 034 035 036 037 038 039 040 041 042 043 044 045 046 047 048
7.3 35 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028 029 030 031 032 033 034 035
7.4 9 001 002 003 004 005 006 007 008 009
7.5 17 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017
7.6 13 001 002 003 004 005 006 007 008 009 010 011 012 013
Chapter 8: Estimation
8.R 12 001 002 003 004 005 006 007 008 009 010 011 012
8.1 20 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020
8.2 21 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021
8.3 20 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020
Chapter 9: Hypothesis Testing
9.R 12 001 002 003 004 005 006 007 008 009 010 011 012
9.1 14 001 002 003 004 005 006 007 008 009 010 011 012 013 014
9.2 30 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028 029 030
9.3 22 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022