# Introduction to Statistical Analysis/Unit 6 Content

## Unit 6

This content is adapted from the Introduction to Statistics MA121/ECON104 Course at Saylor.org.

### Subunit 6.1: Linear Regression

#### Linear Equations, Slope, and Y-intercept

• Readings: Barbara Illowsky and Susan Dean’s Collaborative Statistics: “Chapter 12: Linear Regression and Correlation”

#### Scatter Plots

• Readings: Barbara Illowsky and Susan Dean’s Collaborative Statistics: “Chapter 12: Linear Regression and Correlation"

#### The Regression Equation

• Readings: Barbara Illowsky and Susan Dean’s Collaborative Statistics: “Chapter 12: Linear Regression and Correlation"

Instructions: Please view the video lecture in its entirety (approximately 15 minutes). This lecture will discuss covariance, variance, and the slope of the regression.

### Subunit 6.2: Correlation

#### The Correlation Coefficient

• Readings: Barbara Illowsky and Susan Dean’s Collaborative Statistics: “Chapter 12: Linear Regression and Correlation"

Instructions: Please view the entire video lecture (10:25 minutes). This lecture will discuss correlation and causality.

#### Prediction

• Readings: Barbara Illowsky and Susan Dean’s Collaborative Statistics: “Chapter 12: Linear Regression and Correlation"

#### Outliers Play media
Video Lecture 12: Linear Regression and Correlation
• Readings: Barbara Illowsky and Susan Dean’s Collaborative Statistics: “Chapter 12: Linear Regression and Correlation"

Lecture: Barbara Illowsky and Susan Dean’s Collaborative Statistics: “Video Lecture 12: Linear Regression and Correlation”

Instructions: Please view the lecture to the right in its entirety.

• Assignment: Barbara Illowsky and Susan Dean’s Collaborative Statistics: “Chapter 12: Linear Regression and Correlation”

Instructions: Click on the hyperlinks titled “Practice: Linear Regression” and solve the problems. Next, click on the hyperlink titled “Homework” and solve problems 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21-25. The solutions are provided below the problem. Please solve all of the problems before checking the solutions.

### Subunit 6.3 F Distribution and ANOVA

#### ANOVA

• Readings: Barbara Illowsky and Susan Dean’s Collaborative Statistics: “Chapter 13: F Distribution and ANOVA”

#### The F Distribution and the F Ratio

• Readings: Barbara Illowsky and Susan Dean’s Collaborative Statistics: “Chapter 13: F Distribution and ANOVA”

Instructions: Please view the three lectures, which discuss ANOVA, in their entirety (approximately 30 minutes total).

#### The F Distribution and the F Ratio

• Readings: Barbara Illowsky and Susan Dean’s Collaborative Statistics: “Chapter 13: F Distribution and ANOVA"

• Assignment: Barbara Illowsky and Susan Dean’s Collaborative Statistics: “Chapter 13: F Distribution and ANOVA”

Instructions: Click on the hyperlinks titled “Practice: ANOVA” and solve the problems. Next, click on the hyperlink titled “Homework” and solve problems 1, 3, 5, 7. The solutions are provided below the problem. Please solve all of the problems before checking the solutions.