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...
Other
Stat Soft: Statistics Glossary
Dozens of statistical terms are defined and illustrated in this glossary.
CK-12 Foundation
Ck 12: Statistics: Rank Sum Test and Rank Correlation
[Free Registration/Login may be required to access all resource tools.] This Concept introduces students to the rank sum test and rank correlation for two non-paired samples.
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.
Rice University
Hyper Stat Online Statistics Textbook: Chapter 3: Describing Bivariate Data
This chapter of an online textbook begins with a description of scatterplots, then focuses on the Pearson Product Moment Correlation.
Science Education Resource Center at Carleton College
Serc: The Evolution of Pearson's Correlation Coefficient
For this activity, students explore nine scatter plots to develop their understanding of how two quantitative variables are related. Through an exploration of the properties of this association, they come to understand the standard...
Texas Instruments
Texas Instruments: Scatterplots and Correlation With Ti 83
Students learn how to enter a list of data and use these lists to graph two-variable statistics. They learn how to analyze the resulting scatterplots to assess the correlation between two variables.
CK-12 Foundation
Ck 12: Statistics: Inferences About Regression
[Free Registration/Login may be required to access all resource tools.] This Concept introduces students to testing a claim about linear regression.
CK-12 Foundation
Ck 12: Statistics: Scatter Plots Grade 8
[Free Registration/Login may be required to access all resource tools.] Represent data in a scatterplot.
Shmoop University
Shmoop: Basic Statistics & Probability: Scatter Plots & Correlation
The statistics resource explores scatter plots and correlation. Students learn about the concepts through notes and detailed examples. The resource consists of practice exercises to check for comprehension of the topics.
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.
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.
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: Coefficient
A definition of a coefficient, as used in statistics, that includes an example.
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,...
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