This page shows how to work with Margin of Error and the Margin of Error formula. 


Click on the Example sheet, the Exercise sheet and the Answers sheet in order to view and print them.

Watch the video as many times as you wish.

Use the Example sheet as a model to help you complete the Exercise sheet.

Use the Answers sheet to correct your work.

Video #1: Using the Margin of Error formula:

Video #2: Correcting the Margin of Error formula for Size of Population: