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Politics : View from the Center and Left -- Ignore unavailable to you. Want to Upgrade?

To: kumar who wrote (21022)6/14/2006 5:40:26 PM
From: Lane3  Read Replies (1) | Respond to of 541853
 
To then extrapolate it to say 'this is the opinion there' is stretching credibility.

That's the whole concept behind polling, that you can get a representative opinion with a small sample. That's what the margin of error is for, and the margin of error on samples that size is pretty good. It's not perfect, but for perfect you'd need to hold a referendum. The marginal value of perfection is, er, marginal.



To: kumar who wrote (21022)6/14/2006 6:21:55 PM
From: Alastair McIntosh  Read Replies (1) | Respond to of 541853
 
Margin of error is independent of population size for large populations. The M of E is the same for 1,000,000 or 1.2 billion.


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