Toro
Diamond Member
This thread is for anyone who wants to know more about the mathematics of polling. These links explain how a statistical sample of 1,000 can be a fairly accurate representation of 200 million people.
http://flightline.highline.edu/hburn/Math 210/Course Docs/Polling.ppt
Best Estimates: A Guide to Sample Size and Margin of Error | Public Agenda
http://flightline.highline.edu/hburn/Math 210/Course Docs/Polling.ppt
Best Estimates: A Guide to Sample Size and Margin of Error | Public Agenda