某试样经分析测得锰的百分含量分别为41.24%,41.27%,41.23%和41.26%。分析结果的平均偏差为( ) A: 0.020% B: 0.015% C: 0 D: 0.010%
某试样经分析测得锰的百分含量分别为41.24%,41.27%,41.23%和41.26%。分析结果的平均偏差为( ) A: 0.020% B: 0.015% C: 0 D: 0.010%
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某试样经分析测得锰的百分含量分别为41.24%,41.27%,41.23%和41.26%。分析结果的平均偏差为( ) A: 0.020% B: 0.015% C: 0 D: 0.010%