丈量一段距离6次,结果分别为365.030m、365.026m、365.028m、365.024m、365.025m和365.023m。则观测值的中误差、算术平均值中误差和平均值的相对中误差分别为( )。
A.±2.4mm,±1.0mm,1/360000 B.±1.0mm,±2.4mm,1/150000 C.±1.1mm,±2.6mm,1/140000 D.±2.6mm,±1.1mm,1/330000正确答案D
丈量一段距离6次,结果分别为365.030m、365.026m、365.028m、365.024m、365.025m和365.023m。则观测值的中误差、算术平均值中误差和平均值的相对中误差分别为( )。
A.±2.4mm,±1.0mm,1/360000 B.±1.0mm,±2.4mm,1/150000 C.±1.1mm,±2.6mm,1/140000 D.±2.6mm,±1.1mm,1/330000正确答案D