This set contains statistics questions regarding means and variances of random variables. The student calculates sums and differences of random variables based on their means and variances.
Before the Activity
Download the attached LearningCheck™ file to students' calculators
During the Activity
This LearningCheck™ appvar can be sent to your class using TI-Navigator™.
After the Activity
Review student results
As a class, discuss questions that appeared to be more challenging
Re-teach concepts as necessary