来自何颖霞的问题
求一下数字的标准差与平均值27.326.830.229.525.328.028.726.925.931.230.526.329.830.028.628.526.52930.128.726.827.227.227.926.928.728.826.927.830.0就上述的平均值~与标准差~
求一下数字的标准差与平均值
27.326.830.229.525.328.028.726.925.931.230.526.329.830.028.628.526.52930.128.726.827.227.227.926.928.728.826.927.830.0
就上述的平均值~与标准差~
