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The number 0 is part of a four-number data set. what must the other three numbers be (repeats allowed) so that the data set has the smallest possible standard deviation?
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The number 0 is part of a four-number data set. what must the other three numbers be (repeats allowed) so that the data set has the smallest possible standard deviation?

User Glenatron
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Wouldn't it be 0? If you want the smallest possible standard deviation, then staying at 0 would be the way to do that. Or if they cannot be 0, they could be 0011, or just 0000.
User Matthias Wuttke
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