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()


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

正确答案:B


Tag:试样 偏差 百分 时间:2022-04-05 20:16:07