Flipped Math
Best Fit Lines
What fits best? Pupils watch a video that reviews creating a scatter plot. Learners develop an understanding of correlation and determine whether it is moderate, strong, or none as well as positive or negative. Finally, they use a...
Northeast Arkansas Education Cooperative
Scatter Plots
Show learners how to plot data to determine correlation. A data analysis video gives examples of positive, negative, and no correlation between variables. The final example plots real-life data, provides a line of best fit, and...
Virtual Nerd
Virtual Nerd: How Do You Use a Scatter Plot to Find a Line of Fit
In this video lesson students learn how to graph data on a coordinate plane and draw a line of fit for that data.
Khan Academy
Khan Academy: Statistics: Regression Line Example
Video demonstrates how to use the formulas to determine the best fitting regression line by doing an example of finding the regression line given 3 points. Includes graphing the regression line to show it visually. [9:27]
Khan Academy
Khan Academy: Statistics: Covariance and the Regression Line
Video defines covariance, shows how to derive its formula, and shows how it relates to the slope of the regression line. [15:08]
Khan Academy
Khan Academy: Statistics: Second Regression Example
Video demonstrates how to calculate the equation of the regression line from a set of 4 points. Leads up to determining the coefficient of determination or r-squared which is shown in the next video. [9:15]
Texas Education Agency
Texas Gateway: Study Edge Statistics: Interpreting Slope and Y Intercept
This lesson explains how to interpret the slope and the y-intercept for a scatter plot. Includes downloadable study guide with exercises - guide also covers other topics. [7:39]
Khan Academy
Khan Academy: Statistics: Calculating R Squared
Video shows using a spreadsheet to demonstrate calculating the coefficient of determination or r-squared. Also explains how to interpret the value of r-squared. [9:45]
Virtual Nerd
Virtual Nerd: What's Positive Correlation?
Learn about positive correlation by watching this tutorial. [1:06]
Varsity Tutors
Varsity Tutors: Hotmath: Graphing Calculator Practice Problems: Statistics
Practice using your graphing calculator for statistics problems, including displaying and interpreting data. If you get stumped or if you would like to check your work, then select the View Solution button, which is located directly...
Khan Academy
Khan Academy: Linear Regression and Correlation: Regression Line Example
Explore linear regression and correlation in this video.
Khan Academy
Khan Academy: Covariance and the Regression Line
Covariance, variance and the slope of the regression line
Imagine Learning Classroom
Learn Zillion: Calculate the Correlation Coefficient Using a Graphing Calculator
In this video, you will learn how to calculate the correlation coefficient by using a graphing calculator. [6:00]
Imagine Learning Classroom
Learn Zillion: Use the Correlation Coefficient to Assess Strength of a Linear Fit
In this video, you will learn how to assess the strength of a linear association by considering the value of the correlation coefficient. [5:41]
Imagine Learning Classroom
Learn Zillion: Lesson Video for 'Understand the Least Squares Regression Line'
In this lesson, you will learn the importance of the least squares regression line by comparing residuals. [7:10]
Imagine Learning Classroom
Learn Zillion: Understand Correlation in Terms of the Strength of a Relationship
In this lesson, you will learn how to determine the strength of a relationship by investigating correlation. [3:48]
Khan Academy
Khan Academy: Linear Regression and Correlation: Calculating R Squared
Video shows using a spreadsheet to demonstrate calculating the coefficient of determination or r-squared. Also explains how to interpret the value of r-squared.
Khan Academy
Khan Academy: Linear Regression and Correlation
Linear regression and correlation and R-Squared or Coefficient of Determination.
Khan Academy
Khan Academy: Estimating the Line of Best Fit
In this video lesson, students estimate the line of best fit from a scatter plot. [1:16]
Khan Academy
Khan Academy: Covariance and the Regression Line
Covariance, variance and the slope of the regression line.
Sophia Learning
Sophia: Z Score Charts
This lesson shows how charts can be used to determine and list Z-scores.