Discover the difference between a sample and a population and how they are used in surveys. Assess learning with a quiz. [2:26]

This QuickTime movie discusses sampling of a population using M&M's candy. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.

This QuickTime movie discusses surveys and sampling methods. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.

This QuickTime movie discusses surveys and how they are used. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.