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by learnstats2
4040 days ago
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The result of your sample would typically be anything between 30% and 100%. Whereas, if you instead take a sample of 1000, you typically get results between 61% and 69%. Source: http://www.wolframalpha.com/input/?i=binomial%2810%2C0.65%29... You can't take an "unbiased" sample in the sense that you mean here. There's only one way you can take a completely unbiased sample: if you know exactly how everyone will vote in advance and select them carefully on that basis. But if you already know how everyone will vote in advance, then sampling is a fruitless exercise. |
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