Each lesson of ActivStats provides homework exercises. Homework exercises typically provide data and ask questions that employ the methods or concepts of that lesson. Many exercises include datasets and are linked with a mouse click to Data Desk or one of the Interactive Tools. Many ActivStats exercises are original. Mass. ActivStats also provides Projects with each lesson.
Projects typically require the gathering as well as the analysis of data.
They are thus both more realistic applications of the concepts and methods, and more extensive and time-consuming.