You are on the Custom LOCUS website which is used to make your own test from released items. If you are trying to learn more about using the official LOCUS assessments please visit ThinkData Ed. To register for an account on the custom site, please click here. This remains freely available. 

Discount codes are available to teachers who want to use LOCUS to help determine how prepared students are to take the AP Statistics Exam. Please visit ThinkData Ed to learn more.

There are 62 multiple-choice items available to you on this website and they represent all process components of the statistical problem solving process, levels of the GAISE framework, and grade levels.

We hope you will find this feature of the website useful. Please feel free to contact ThinkData Ed with any questions, comments, or concerns.