> Nick wrote: > Here are some sample size calculators: > http://www.raosoft.com/samplesize.html > http://www.questaresearch.com/calc_ss_std.php
Good points and good links! Obviously this is complicated but I think election.princeton.edu has done a good job of using multiple polls for predictive analysis and laying out the problems and pitfalls within. To address your blood point - I think that's why you sample the whole of the US. That way you avoid the circulation problem. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Special thanks to the CF Community Suite Gold Sponsor - CFHosting.net http://www.cfhosting.net Message: http://www.houseoffusion.com/lists.cfm/link=i:5:134609 Archives: http://www.houseoffusion.com/cf_lists/threads.cfm/5 Subscription: http://www.houseoffusion.com/lists.cfm/link=s:5 Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=11502.10531.5 Donations & Support: http://www.houseoffusion.com/tiny.cfm/54
