一个初二的数学计算题,比较简单,但是有些麻烦。
1、求0.001,0,0.002,0,0.002,0,0.003,0.001,0.002,0.004的方差2、求0.002,0.003,0.001,0.001,0,0.0...
1、求 0.001,0,0.002,0,0.002,0,0.003,0.001,0.002,0.004的方差
2、求0.002,0.003,0.001,0.001,0,0.002,0.001,0.001,0.001,0的方差
每题有10个数据 展开
2、求0.002,0.003,0.001,0.001,0,0.002,0.001,0.001,0.001,0的方差
每题有10个数据 展开
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