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Random Selection: Why Is It Necessary?

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Explain why random selection is necessary for sampling to be effective and statistically accurate.

Your tutorial is 160 words and two references and explains simply and in everyday language suitable for the novice.

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Your tutorial is 160 words and two references and explains simply and in everyday language suitable for the novice.

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Random selection does a few things. First, it increases the chances that the sample will be representative of the population, assuming it is large enough. Why? Because it has no bias. Selection criteria other than random, such as pick the first five people that enter ...

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