Texas Education Agency
Texas Gateway: Tea Statistics: The Regression Equation
A tutorial on how to find the line of best fit or least-squares regression line for a set of data in a scatter plot using different methods and calculations.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Least Squares Regression
Create your own scatter plot or use real-world data and try to fit a line to it. Explore how individual data points affect the correlation coefficient and best-fit line.
CK-12 Foundation
Ck 12: Scatter Plots and Linear Correlation Grades 11 12
[Free Registration/Login may be required to access all resource tools.] This Concept introdices scatterplots and linear correlation for bivariate data.
National Council of Teachers of Mathematics
The Math Forum: Nctm: Ask Dr. Math: Correlation of a Scatterplot
This page from Ask Dr. Math describes the correlation of a scatterplot and gives an example of one with no correlation.
ClassFlow
Class Flow: The Golden Ratio Scattered Plots
[Free Registration/Login Required] This lesson is a discovery lesson where the students have to create a scattered plot and find a linear correlation that approximates the golden ratio.
Texas Instruments
Texas Instruments: Height vs Arm Span
This is a quick class opener. That allow students to practice reading scatter plots and determining the correlation among data points.
Quia
Ixl Learning: Correlation
Brush up on your math skills relating to correlation then try some practice problems to test your understanding.
Shodor Education Foundation
Shodor Interactivate: Linear Regression and Correlation
Students are introduced to correlation between two variables and the line of best fit.
Khan Academy
Khan Academy: Correlation Coefficient Review
The correlation coefficient r measures the direction and strength of a linear relationship. Calculating r is pretty complex, so we usually rely on technology for the computations. We focus on understanding what r says about a scatterplot.
Illustrative Mathematics
Illustrative Mathematics: 8.sp Birds' Eggs
A scatter plot showing data for the sizes of birds' eggs is presented. Students are to look for correlations and make predictions whose values fall within the data range. They are also to make generalizations about the characteristics of...
Sophia Learning
Sophia: Linear Correlation Tutorial
Use examples to determine and explain the linear correlation of independent and dependent variables.
Other
Nearpod: Scatterplots, Correlation & Lines of Best Fit
In this lesson on scatterplots, young scholars will learn how to create the line of best fit and analyze scatterplots by learning about correlations and causation.
Illustrative Mathematics
Illustrative Mathematics: S Id Coffee and Crime
This task addresses many standards regarding the description and analysis of bivariate quantitative data, including regression and correlation. Given a scatter plot, students will answer a variety of questions about linear relationships,...
Texas Instruments
Texas Instruments: Bivariate Data
This set contains statistics questions regarding bivariate data: scatter plots, the least-squares regression line, and their interpretation. The student is asked about the meaning of the various strengths and directions of linear...
Texas Education Agency
Texas Gateway: Interpreting Scatterplots
Given scatterplots that represent problem situations, the student will determine if the data has strong vs weak correlation as well as positive, negative, or no correlation.
National Council of Teachers of Mathematics
Nctm: Figure This: Does It Make a Difference Where You Shop?
A math investigation that uses scatter plots to compare prices of favorite soft drinks. Discover how valuable your skills in organizing and displaying data can be in real life scenarios.
Other
Correlation Coefficients
This page provides a good discussion of correlation coefficients (r,) which indicate the "strength of the linear association between variables." Includes formulas and scatter plots. Some prior knowledge of statistics might be helpful.
Texas Instruments
Texas Instruments: Numb3 Rs: How Tall Is the Criminal?
Based off of the hit television show NUMB3RS, this lesson introduces students to lines of best fit and their applications. While the extensions delve into correlation, the main lesson focuses only on collecting data, creating a...
Khan Academy
Khan Academy: Describing Scatterplots (Form, Direction, Strength, Outliers)
Description and example of a scatter plot.
Texas Instruments
Texas Instruments: Numb3 Rs: "Take Out" Outliers
Based off of the hit television show NUMB3RS, this lesson has students create box-and-whisker plots for given data, and then determine which (if any) data points are outliers. Students determine outliers through two methods in this...
Texas Instruments
Texas Instruments: Exploring Bivariate Data
Students graph scatter plots and understand the concepts of correlation and least-squares regression. They also perform transformations to achieve linearity in the data plot.
Khan Academy
Khan Academy: Eyeballing the Line of Best Fit
Students practice informally graphing a line of best fit to a scatter plot and answer questions to determine if a scatter plot has a correlation. Students receive immediate feedback and have the opportunity to watch a video, get hints,...
Illustrative Mathematics
Illustrative Mathematics: S Id.6 Used Subaru Foresters
Help Jane sell her Forrester! Using the data given, students will make an appropriate plot with well-labeled axes that would allow you to see if there is a relationship between price and age and between price and mileage. Students are...
PBS
Pbs Teachers: In a Heartbeat [Pdf]
Apply knowledge of scatter plots to discover the correlation between heartbeats per minute before and after aerobic exercise.