Share what you know with millions of people
Focus is the best place to turn what you know into remarkable content
May 5, 2011
Richard Hamer
and
1 other person
answered this question
Polls vs. Surveys: how does your definition of an 'adequate sample size' change? Does it?
The calculation of sample's margin of error is the same for polls and surveys. The big difference is in sampling technique and the target population. When a poll is being conducted to predict the outcome of an election, the pollster needs a model that tells ... more