Lesson Plan: Variance of Discrete Random Variables | Nagwa Lesson Plan: Variance of Discrete Random Variables | Nagwa

Lesson Plan: Variance of Discrete Random Variables Mathematics

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to calculate the variance of discrete random variables.

Objectives

Students will be able to

  • calculate the variance of a discrete random variable from a table,
  • calculate the variance from a probability distribution function of a discrete random variable,
  • calculate the variance of a discrete random variable from a graph or a word problem describing a real-world system,
  • find unknowns where the variance is given,

Prerequisites

Students should already be familiar with

  • discrete random variables,
  • the probability distribution function of a discrete random variable,
  • expected value of a discrete random variable.

Exclusions

Students will not cover

  • standard deviation or variance of a data set,
  • standard deviation of a discrete random variable,
  • continuous probability distributions.

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