PART I. Descriptive Statistics.

2. Describing Data with Tables and Graphs.

3. Describing Data with Averages.

4. Describing Variability.

5. Standard Scores (z) and Normal Distributions.

6. Describing Relationships: Correlation.

7. Regression.

PART II. Inferential Statistics.

8. Populations, Samples, and Probability.

9. Sampling Distribution of the Mean.

10. Introduction to Hypothesis Testing: the z Test.

11. More about Hypothesis Testing.

12. Estimation (Confidence Intervals).

13. t Test for One Sample.

14. t Test for Two Independent Samples.

15. t Test for Two Related Samples (Repeated Measures).

16. Analysis of Variance (One Factor).

17. Analysis of Variance (Repeated Measures).

18. Analysis of Variance (Two Factors).

19. Chi-Square Test for Qualitative (Nominal) Data.

20. Tests for Ranked (Ordinal) Data.

21. Postscript: Which Test?

Appendices.

A. Math Review.

B. Answers to Selected Questions.

C. Tables.

D. Glossary.

Index.