Python, Numpy求 list 数组均值，方差，标准差

代码以下：code import numpy as np array = [1,3,5,7,9] # 求均值 arr_mean = np.mean(array) # 求方差 arr_var = np.var(array) # 求标准差 arr_std = np.std(array,ddof=1)

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