# Ch 8: Regression & Correlation

Watch online math video lessons and learn about scatterplots, simple linear regression, the coefficient of determination and more. These video lessons are short and engaging and make learning easy!

## Regression & Correlation - Chapter Summary and Learning Objectives

Instructors in this chapter can introduce you to some of the methods used to create visual representations of research data. You can also find out how to draw a trendline demonstrating the relationships between two variables and learn to interpret these graphs. By the end of this chapter, you should be able to do the following:

• Create scatterplots and graph a regression line
• Interpret linear relationships between two variables
• Understand the difference between positive and negative correlations
• Find the correlation coefficient and the coefficient of determination

Video Objectives
Creating & Interpreting Scatterplots: Process, Examples & Quiz Create scatterplots and use them to interpret data.
Problem Solving Using Linear Regression: Steps, Examples & Quiz Analyze problems involving linear regression.
Analyzing Residuals: Process, Examples & Quiz Study residuals to find violations of regression assumptions.
Interpreting the Slope & Intercept of a Linear Model: Lesson & Quiz Interpret the slope and intercept of linear models.
The Correlation Coefficient: Definition, Formula & Example Find the correlation coefficient using formulas or software.
How to Interpret Correlations in Research Results Learn how to interpret negative and positive correlations.
Correlation vs. Causation: Differences, Lesson & Quiz Understand the difference between finding correlation and proving causation.
Interpreting Linear Relationships Using Data: Practice Problems, Lesson & Quiz Practice interpreting linear relationships.
Transforming Nonlinear Data: Steps, Examples & Quiz Transform nonlinear data so that linear models can be used.
Coefficient of Determination: Definition, Formula & Example Find the coefficient of determination and understand how it relates to variation.

12 Lessons in Chapter 8: Regression & Correlation
Test your knowledge with a 30-question chapter practice test
Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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