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📚 Statistics with Technology 2e
Chapters ▾
1 Statistical Basics2 Graphical Descriptions of Data3 Examining the Evidence Using Graphs and Statistics4 Probability5 Discrete Probability Distributions6 Continuous Probability Distributions7 One-Sample Inference8 Estimation9 Two-Sample Inference10 Regression and Correlation11 Chi-Square and ANOVA Tests12 Appendix: Critical Value Tables

Chapter 10: Regression and Correlation

When comparing two different variables, two questions come to mind: “Is there a relationship between two variables?” and “How strong is that relationship?” These questions can be answered using regression and correlation. Regression answers whether there is a relationship (again this book will explore linear only) and correlation answers how strong the linear relationship is. To introduce both of these concepts, it is easier to look at a set of data.