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OpenStudy (anonymous):
x| 0 | 1 | 2 | 3 | 4 P(x) | 0.384 | 0.367 | 0.111 | 0.061 | 0.077 What is the standard deviation?
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OpenStudy (amistre64):
well mean = sum xP(x) variance = sum(x-mean) P(x)
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