Enter your Sign-on user name and password.

Forgot password?
  • Follow us on:
Loading video...

Start Learning Now

Our free lessons will get you started (Flash® 10 required).
Get immediate access to our entire library.

Sign up for Educator.com

Features Overview

  • Get on-demand access to our complete library
  • Search and jump to exactly what you need to learn
  • Track your progress
  • Download practice and lesson files
  • *Ask questions and get answers from our community & instructors

Exploring Bivariate Data: Scatterplots

  • Scatterplots are used to graphically illustrate the relationship between two variable.

  • Correlation is used to measure the linear relationship between two variables.

  • A correlation that equals −1 or 1 is a perfect linear association.

  • A correlation that equals 0 means there is no linear association.

Exploring Bivariate Data: Scatterplots

Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.

Mathematics: AP Statistics