22 lines
548 B
Python
22 lines
548 B
Python
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def main() -> None:
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with open("data.txt", 'r') as data:
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nums = [int(v) for v in data]
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# print(sum(nums))
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n = len(nums)
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x_m = sum(nums) / n
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print(f"x_m = {x_m}")
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s_shifted = 0
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for v in nums: s_shifted += (x_m - v) ** 2
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s_shifted = s_shifted / n
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s_unshifted = s_shifted * n / (n - 1)
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print(f"смещенная дисперсия = {s_shifted}")
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print(f"несмещенная дисперсия = {s_unshifted}")
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if __name__ == "__main__":
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main()
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