解]。∑d08% 0.036% n 5 d 0.036% 1043%×100%=0.35% ×100% X 8×=0.046 n RSD%=S×100= 0.046 ×100=0.44 10.43 标准偏差更能体现较大偏差的分散程度, 突出大偏差对结果的影响 2021/222 上一页 页目返间2021/2/22 上一页 下一页 返回2-13 [解] 标准偏差更能体现较大偏差的分散程度, 突出大偏差对结果的影响 100 0.44 10.43 0.046 100 x S RSD% 0.046 n 1 8.6 10 n 1 d S 100% 0.35% 10.43% 0.036% 100% x d 0.036% 5 0.18% n d d 2 7 i i =  =  = = −  = − =  =  = = = =    −