Education Technology

Means & Variances of Random Variables

Activity Overview

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