Click on the following links. Please note these will open in a new window.

• http://stattrek.com/statistics/random-number-generator.aspx
  • Stat Trek’s random number generator
• http://abcnews.go.com/PollingUnit/sampling-error-means/story?id=5984818
  • This website provides a thorough overview of sampling error, including what it means and how it influences research and polls.