Texas Instruments
Texas Instruments: What Is Linear Regression?
In this activity, students will explore finding the line of best fit based on the sum of the squares of the residuals and determine what the linear regression line is.
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: Mc Dougal Littell Algebra 1: Perform Linear Regression
Students can use the TI-84 Plus family to enter data, do a scatter plot and find the line of best fit and explain how they could use it to predict future values.
Texas Instruments
Texas Instruments: What Is a Linear Regression?
In this activity, students create lists of data points, plot them on a graph, and determine the regression equation of the best fitting line. They also understand exactly how the linear regression is determined.
Texas Instruments
Texas Instruments: Run Me a Linear Regression
This activity is designed to give students the opportunity to estimate the least squares line given a set of points. The students are then able to check their "best fit" line by running a linear regression using the graphing calculator.
Texas Instruments
Texas Instruments: Finding Linear Models
Students graph a scatter plot, find average rate of change, develop a linear model, find a linear regression and a median/median line for a set of data graphed in a scatter plot and predict profit.
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...
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.
California State University
Cal State San Bernardino: Linear Regression
Cal State San Bernardino offers an excellent site on linear regression, including formulas and an applet that allows you to mark the locations of ordered pairs and then determines the equation of the regression line and graphs it.
Other
Clayton State: Linear Regression
Introductory look at linear regression. Notes presented in outline form, with key concepts and formulas given. An example is presented at the end.
National Council of Teachers of Mathematics
Nctm: Illuminations: Linear Regression 1
An interactive program where students will explore regression lines. Students will be introduced to the correlation coefficient and come to understand what it represents through the given exploration. Requires Java.
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.
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 plan 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: Using Regression Functions
For this activity, learners experiment with regression features of the calculator to find a best fit for a data set.
CK-12 Foundation
Ck 12: Algebra: Applications of Function Models
[Free Registration/Login may be required to access all resource tools.] In this lesson students draw a scatter plot of data, find and draw the function that best fits that data, and make predictions from that information. Students watch...
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 Instruments
Texas Instruments: Fitting an Equation to Bivariate Data
In this activity, students fit a linear least-square regression line to population data. They explore various functions to model the given data.
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.
Texas Instruments
Texas Instruments: Influence and Outliers
In this activity, students will identify outliers that are influential with respect to the least-squares regression line. Students will describe the role of the location of a point relative to the other data in determining whether that...
Texas Instruments
Texas Instruments: Boat Registration and Manatee Deaths in Florida
Students will explore the data on boat registrations and manatee deaths in Florida. They will use the data, the graph of the data and the line of best fit to make predictions about the relationship of the data.
University of Waterloo (Canada)
Univ. Of Waterloo: Wired Math: Linear Graphing: Graphing and Analyzing [Pdf]
The mathematics resource assesses students on linear relations. The activity has problems with graphing and analyzing linear relations. Some of the topics included are variation, scatter plots and linear relationships. The activity has...