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  • python笔记——均值、方差、中位数计算

    from __future__ import print_function
    
    # 均值计算
    data = [3.53, 3.47, 3.51, 3.72, 3.43]
    average = float(sum(data))/len(data)
    print(average)
    
    
    #方差计算
    total = 0
    for value in data:
        total += (value - average) ** 2
    
    stddev = math.sqrt(total/len(data))
    print(stddev)
    
    
    # 中位数计算
    data.sort()
    mid = len(data) / 2
    if len(data) % 2 == 0:
        median = (data[mid - 1] + data[mid]) / 2.0
    else:
        median = data[mid]
    
    print(median)
    
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  • 原文地址:https://www.cnblogs.com/yahengwang/p/10208138.html
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