Lesson 6.4: Confidence Intervals

The information above is from an article published by Angus Reid Public Opinion in early 2013. The title and Key Findings seem fairly straightforward, but what does all the fine print at the bottom mean and why is it necessary?


In Lesson 6.4, you will

  • explain confidence levels, margins of error, and confidence intervals and describe how they are related to sample size
  • interpret and make inferences about data using confidence levels, margins of error and confidence intervals
  • find and explain statistical data in the media