University of Illinois
University of Illinois: Scatter Plots and Correlations
This site gives information on scatter plots, along with examples showing high positive correlation, low negative correlation, high negative correlation, no correlation, and low positive correlation.
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.
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.
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...
Other
Correlation Coefficients
This page provides a good discussion of correlation coefficients (r,) which indicate the "strength of the linear association between variables." Includes formulas and scatter plots. Some prior knowledge of statistics might be helpful.
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.
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.