11 lines
218 B
Python
11 lines
218 B
Python
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G
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import math
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def mean_std(xs):
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n = len(xs)
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mean = sum(xs) / n
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variance = sum((x - mean) ** 2 for x in xs) / n
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std = math.sqrt(variance)
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return (mean, std)
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print(mean_std([2, 4, 4, 4, 5, 5, 7, 9]))
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