Unit 2: Relationships Between Variables
Chapter 6: Scatterplots, Association, and Correlation
Learning Targets
- What is important to include when describing a scatterplot?
- What is the difference between an association and correlation?
- What is correlation, when is it used, how is it used, and what are important things to remember about correlation?
- Creating Scatterplots, Finding Correlation, Straightening a Curve
Documents
| Chapter 6 Notes Outline |
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Videos
Chapter 6 Notes
Correlation Review/Summary Skew the Script, Lesson 3.1 |
Vocabulary
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Chapter 7: Linear Regression
Learning Targets
Documents
- Understanding of what linear regression is, when it can be used, and how to create it from summary statistics, computer printouts, and graphing calculator functions.
- When given an equation for linear regression, you are able to describe the slope, y-intercept, and R2 in context of the problem.
- Understanding of how to use a linear regression equation to make predictions and understand when the predictions are not realistic.
- Understanding of what residuals are and why they are needed for linear regression.
- Regression Lines & Residual Plots
Documents
| Chapter 7 Notes Handout |
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Videos
Chapter 7 Notes Part 1 - Linear Regression Intro & Calculator
Chapter 7 Notes Part 2 - Linear Regression from Summary Stats Chapter 7 Notes Part 3 - Linear Regression from Printout Skew the Script - Lesson 3.2 Skew the Script - Lesson 3.4 Skew the Script, Lesson 3.5
Understanding Regression Understanding R-squared Slope & Y-intercept Chapter 7 Step-by-Step Example Page 183
Chapter 7 Step-by-Step Example Page 191
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Vocabulary
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Chapter 8: Regression Wisdom
Learning Targets
- When working with scatterplots, you understand what can be done when it is not straight and there are possible outliers.
- Understanding of when predications are appropriate or extrapolations.
- Understanding of how lurking variables, outliers, and influential points can affect a linear regression model.
Documents
| Chapter 8 Notes |
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Videos
Chapter 8 Notes & Examples
Understanding Influential Points Link (click "view video") What can go wrong?
Step-by-Step Example - Page 219
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Vocabulary
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Chapter 9: Re-expressing Data: Get it Straight!
Learning Targets
Documents
- Understanding of how to use predictions after re-expressing the data.
- Re-expressing models using your calculator (we will not be doing this)
Documents
| Chapter 9 Notes |
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Videos
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Vocabulary
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