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.
Texas Instruments
Texas Instruments: Describing Bivariate Data (Two Quantitative Variables)
Students explore the relationship between two quantitative variables in bivariate data using various x-y plots. They compare the relationships for several categories on the same plot. Students calculate the correlation coefficient to...
CK-12 Foundation
Ck 12: Statistics: Linear Regression Equations
[Free Registration/Login may be required to access all resource tools.] Use a calculator to create a scatter plot and to determine the equation of the line of best fit.
Rice University
Hyper Stat Online Statistics Textbook: Correlation
This resource gives a definition of correlation and an example using a fire and fire fighters.
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.
Rice University
Hyper Stat Online Statistics Textbook: Coefficient
A definition of a coefficient, as used in statistics, that includes an example.
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...
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.
California State University
Cal State San Bernardino: Bivariate Distribution Applet
The applet is a target at which green darts are shot either with a strict correlation to each other or without -- the user defines this. A good example of how bivariate data is truly influenced by two variables, possibly dependent upon...
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,...
NC State University
Nc State University: Multiple Regression
Excellent, comprehensive site on multiple regression. Key terms are defined and explained as needed. Links to relevant topics are provided.
Famous Scientists
Famous Scientists: Francis Galton
Learn about the life and work of the father of eugenics, and find out how he contributed to the research on human intelligence.
McGraw Hill
Mc Graw Hill : Coefficient of Determination
An explanation of the coefficient of determination from the social science perspective. Includes two practice problems and their solutions.
Illustrative Mathematics
Illustrative Mathematics: S Id Math Test Grades
Ari has collected data on how much her classmates study each week and how well they did on their recent math test. Here is part of the data showing the percentage of each group (divided according to hours spent studying) who got B's or...
University of Baltimore
University of Baltimore: Alternative Approach for Estimating a Regression Line
A quick, three-step approach to estimating the regression line of a set of data known as the "distribution-free method." Written by Dr. Hossein Arsham
Other
Firearms and Violent Crime: Old Premises, Current Evidence
This extensive paper details the development of the modern gun issue, and uses statistical evidence to show the correlate between firearms and violent crime rates.
Brown University
Brown University: Seeing Theory
This resource provides interactive visualizations of probability concepts. Covers basic probability, compound probability, probability distributions, frequentist inference, Bayesian inference, and regression analysis. The authors are...
Khan Academy
Khan Academy: Describing Scatterplots (Form, Direction, Strength, Outliers)
Description and example of a scatter plot.