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.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Correlation and Lines of Best Fit
Twenty problems present a variety of practice determining correlation based on data in a scatter plot and using lines of best fit with given data. They are given with each step to the solution cleverly revealed one at a time. You can...
Duke University
Duke University: Web Feats Ii: Lessons on Regression at Hessian
This site has several lessons on regression, "Designed to help students visualize topics associated with lines of regression, given a set of data points." Go to the teacher notes to find the objectives and standards which apply.
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.
Shodor Education Foundation
Shodor Interactivate: Lesson: Stem and Leaf Plots
Lesson plan introduces students to stem-and-leaf plots. Many resources are available for student and teachers here.
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,...
Khan Academy
Khan Academy: Estimating Slope of Line of Best Fit
Given a scatter plot, can you estimate the slope of the line of best fit that goes through the data points? Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Khan Academy
Khan Academy: Estimating Equations of Lines of Best Fit and Making Predictions
Practice estimating the equation of a line of best fit through data points in a scatter plot. Then use the equation to make a prediction. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
PBS
Pbs Teachers: Sports and Math: Will Women Athletes Ever Catch and Surpass
Explore, explain and make conclusions based on graphs of scatter plots of the Olympic records for men and women in the same event over the same years. Plot x- and y-values, and create linear equations from the data.
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.
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,...
Khan Academy
Khan Academy: Scatterplots and Correlation Review
A scatterplot is a type of data display that shows the relationship between two numerical variables. Each member of the dataset gets plotted as a point whose x-y coordinates relates to its values for the two variables.
Khan Academy
Khan Academy: Describing Scatterplots (Form, Direction, Strength, Outliers)
Description and example of a scatter plot.
BSCS Science Learning
Bscs: Budburst Lilac Festival
In this Inquiry, students predict the best date to host a lilac blossom festival so that lilacs are in full bloom in the city where students live. Students are introduced to Project Budburst, a citizen science project in which volunteers...
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.
Illustrative Mathematics
Illustrative Mathematics: 8.sp Animal Brains
This task looks at a possible relationship between the weight of an animal's body and the weight of its brain. Students make a scatter plot of data, look for outliers, make a second scatter plot without the outliers, and describe the...
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...
Alabama Learning Exchange
Alex: My Peanut Butter Is Better Than Yours!
The students will engage in the process of statistical data comparing data using tables and scatterplots. The students will compare data using measures of center (mean and median) and measures of spread (range). This lesson plan can be...
Texas Instruments
Texas Instruments: Is There a Limit?
In this activity, students examine data about bacteria and their growth. They produce a scatter plot, a best-fit model, and draw conclusions based on the data and graph.
Texas Instruments
Texas Instruments: Exploring the Golden Arches
Using given nutritional information of popular items from McDonald's, the students will develop and test a conjecture based on the given information. The students will analyze the two-variable data using the graphics calculator by...
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: Math Today Is Leisure Time Really Shrinking?
Students will have the opportunity to organize data from the USA TODAY Snapshot "Is leisure time really shrinking?" into two scatter plots and determine the quadratic model for each scatter plot.
Illustrative Mathematics
Illustrative Mathematics: S Id.7 Texting and Grades
Medhavi suspects that there is a relationship between the number of text messages high school students send and their academic achievement. To explore this, she asks a random sample of 52 students at her school how many text messages...