下列数组中变异最小的是( )
2023-05-31
A.2,4,6,8,10,12
B.2,3,4,10,11,12
C.2,6,7,8,12,12
D.2,2,3,11,12,12
参考答案:C
B.2,3,4,10,11,12
C.2,6,7,8,12,12
D.2,2,3,11,12,12
参考答案:C
根据标准差的计算公式可以得到答案为C。
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