12 lines
290 B
Python
12 lines
290 B
Python
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def variancediy2(data):
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n = len(data)
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if n>1:
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mean = sum(data) / n
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else:
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mean = sum(data)
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deviations = [(x - mean) ** 2 for x in data]
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if n >1:
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variance2 = sum(deviations) / (n-1)
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else:
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variance2 = sum(deviations)
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return variance2
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