DrDoomz said:
http://www.comres.co.uk/poll-digest/11/margin-of-error-calculator.htm# |
I'm betting an online survey of 1200 out of 10 million is going to be using reliable testing methods.
DrDoomz said:
http://www.comres.co.uk/poll-digest/11/margin-of-error-calculator.htm# |
I'm betting an online survey of 1200 out of 10 million is going to be using reliable testing methods.
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