The Practice of Statistics in the Life Sciences 1st edition

Textbook Cover

Brigette Baldi and David S. Moore
Publisher: W. H. Freeman

lifetime of edition

Lifetime of Edition (LOE)

Your students are allowed unlimited access to WebAssign courses that use this edition of the textbook at no additional cost.


Access is contingent on use of this textbook in the instructor's classroom.

Academic Term Homework
Higher Education Single Term $29.95
High School $10.50

Online price per student per course or lab, bookstore price varies. Access cards can be packaged with most any textbook, please see your textbook rep or contact WebAssign

  • 1: Picturing Distributions with Graphs (8)
  • 2: Describing Distributions with Numbers (9)
  • 3: Scatterplots and Correlation (13)
  • 4: Regression (12)
  • 5: Two-Way Tables (4)
  • 6: Exploring Data: Part I Review (14)
  • 7: Samples and Observational Studies (5)
  • 8: Designing Experiments (19)
  • 9: Introducing Probability (3)
  • 10: General Rules of Probability (7)
  • 11: The Normal Distributions (7)
  • 12: Discrete Probability Distributions (6)
  • 13: Sampling Distributions (9)
  • 14: Introduction to Inference (11)
  • 15: Inference in Practice (6)
  • 16: From Exploration to Inference: Part II review
  • 17: Inference about a Population Mean (9)
  • 18: Two-Sample Problems (3)
  • 19: Inference about a Population Proportion (4)
  • 20: Comparing Two Proportions (4)
  • 21: The Chi-Square Test for Goodness of Fit
  • 22: The Chi-Square Test for Two-Way Tables (4)
  • 23: Inference for Regression (5)
  • 24: One-Way Analysis of Variance: Comparing Several Means (5)
  • 25: Inference: Part III Review (3)
  • 26: Beyond One-Way ANOVA: Follow-up Tests and Two-Way ANOVA
  • 27: Nonparametric Tests

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
E - End of Chapter Exercises


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


Group Quantity Questions
Chapter 1: Picturing Distributions with Graphs
1.E 8 004 009 026 030 034 039 042 043
Chapter 2: Describing Distributions with Numbers
2.E 9 010 012 024 028 036 037 038 040 042
Chapter 3: Scatterplots and Correlation
3.E 13 002 004 005 006 008 009 017 018 019 020 029 036 037
Chapter 4: Regression
4.E 12 004 018 019 022 023 024 025 028 033 035 047 050
Chapter 5: Two-Way Tables
5.E 4 001 024 029 030
Chapter 6: Exploring Data: Part I Review
6.E 14 004 005 006 009 011 013 015 016 017 019 021 022 026 027
Chapter 7: Samples and Observational Studies
7.E 5 012 028 029 032 035
Chapter 8: Designing Experiments
8.E 19 001 002 008 011 014 015 016 017 018 020 021 025 026 034 035 036 039 040 042
Chapter 9: Introducing Probability
9.E 3 003 029 043
Chapter 10: General Rules of Probability
10.E 7 009 014 019 029 047 049 051
Chapter 11: The Normal Distributions
11.E 7 010 014 018 022 023 025 033
Chapter 12: Discrete Probability Distributions
12.E 6 010 017 029 032 036 037
Chapter 13: Sampling Distributions
13.E 9 005 008 011 028 032 033 034 035 037
Chapter 14: Introduction to Inference
14.E 11 005 006 017 018 019 022 024 038 045 047 048
Chapter 15: Inference in Practice
15.E 6 008 010 022 037 044 056
Chapter 16: From Exploration to Inference: Part II review
16 0  
Chapter 17: Inference about a Population Mean
17.E 9 002 005 009 010 027 030 033 034 040
Chapter 18: Two-Sample Problems
18.E 3 005 029 043
Chapter 19: Inference about a Population Proportion
19.E 4 003 011 012 037
Chapter 20: Comparing Two Proportions
20.E 4 002 021 022 033
Chapter 21: The Chi-Square Test for Goodness of Fit
21 0  
Chapter 22: The Chi-Square Test for Two-Way Tables
22.E 4 001 005 017 029
Chapter 23: Inference for Regression
23.E 5 004 014 036 038 043
Chapter 24: One-Way Analysis of Variance: Comparing Several Means
24.E 5 013 015 020 025 031
Chapter 25: Inference: Part III Review
25.E 3 006 014 019
Chapter 26: Beyond One-Way ANOVA: Follow-up Tests and Two-Way ANOVA
26 0  
Chapter 27: Nonparametric Tests
27 0  
Total 170