Math Is Fun
Math Is Fun: Scatter Plots
Explains, with examples, what scatter plots are and how to interpret the data. Discusses trends, interpolation and extrapolation, and correlation. Includes a set of practice questions.
National Institute of Standards and Technology (NIST)
Nist: Engineering Statistics Handbook: Scatter Plots and Linear Regression
An explanation of scatter plots followed by examples of the many different kinds of scatter plots.
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.
Oswego City School District
Regents Exam Prep Center: Regression Analysis
A collection of lesson ideas, a practice activity, and teacher resources for exploring regression analysis.
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.
Texas Education Agency
Texas Gateway: Collecting Data and Making Predictions
Given an experimental situation, the student will write linear functions that provide a reasonable fit to data to estimate the solutions and make predictions.
CK-12 Foundation
Ck 12: Interactive Algebra 1 for Ccss
This is a complete, full-year Algebra 1 course with interactivity included in every lesson. Some lessons include videos, and all include interactives and inline questions that offer instant, per-answer feedback. Every lesson also has...
Cuemath
Cuemath: Scatter Plot
A comprehensive guide for learning all about scatter plots with definitions, how to construct and solve them, types of scatter plots, solved examples, and practice questions.
Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: Scatter Plots
Get independent practice working with scatter plots. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
Duke University
Duke University: Introduction to Linear Regression
This page discusses linear regression, its equations, background, and applications. Provides questions, answers, formulas, and explanations for understanding.
University of Regina (Canada)
University of Regina: Math Central: Scatter Plots
Three different concepts are examined about scatter plots. Topics featured are collecting data, analyzing scatter plots, and determining a line of "best fit". The lesson has an overview, material, procedures, and evaluation techniques.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Regression Method
This page goes over what regression method is and how a regression line fits in. Dr. MAth also suggests a book on regression if you are interested.
Texas Instruments
Texas Instruments: Line of Best Fit
In these questions, students will find the linear equation of best fit for a set of data and interpret the correlation coefficient. Questions are multiple-choice and true/false; solutions are provided.
Texas Instruments
Texas Instruments: An Exploration of Direct Variation and Linear Regression
Students will use this activity for the following Algebra concepts: Review of Direct Variation; Properties of direct variations; Finding the constant of variations from data sets; Find missing values in data sets both numerically and...
Texas Instruments
Texas Instruments: Scatterplots and Correlation With Ti 89
Students input data relating the values of one variable associated with values of another and use these data to generate a scatterplot. From the scatterplot, they determine whether there is a correlation between the two variables and...
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Variable Estadisticas Bidimensionales
In Spanish. This interactive unit shows you the statistical relationship between two variables.
CK-12 Foundation
Ck 12: Algebra: Fitting Lines to Data
[Free Registration/Login may be required to access all resource tools.] Make a scatter plot of data and find the line of best fit to represent that data.
Other
Sky Mark: Scatter Plots
This page gives a description of scatter plots along with examples. Also provides explanations and statistics to aid student understanding.
Khan Academy
Khan Academy: Fitting Quadratic and Exponential Functions to Scatter Plots
Determine if a quadratic or exponential model fits a data set better, then use the model to make a prediction. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Annenberg Foundation
Annenberg Learner: Against All Odds: Describing Relationships
Video program showing how to use a scatter plot to illustrate relationship between response and explanatory variables, to determine patterns in variables, and to calculate least squares. Real-life examples -- manatee deaths per number of...
National Council of Teachers of Mathematics
Nctm: Illuminations: Line of Best Fit
Use this applet to learn about a line of best fit for a set of data points. Some example data in this site include statistics from the 2004-2005 LA Lakers season. Students can guess the equation for a set of data points before the applet...
University of Regina (Canada)
University of Regina: Math Central: Scatter Plots
Three different concepts are examined about scatter plots. Topics featured are collecting data, analyzing scatter plots, and determining a line of "best fit". The lesson has an overview, material, procedures, and evaluation techniques.
Texas Instruments
Texas Instruments: Linear Functions Modeled by Data
Students submit their own data that can be modeled by a linear function. Students find the line of best fit, and discuss graphs of linear functions.
Texas Instruments
Texas Instruments: Correlation Coefficient Lab
Students will learn the meaning of the correlation coefficient, find the regression equation and use it to make predictions.