A.±2mm B.±0.5mm C.±1mm D.±1.5mm
A.平均值 B.最大值 C.中间值 D.最小值
A.16.0mm,9.50mm,4.75mm,2.36mm,1.18mm,0.60mm,0.30mm,0.15mm B.9.50mm,4.75mm,2.36mm,1.18mm,0.60mm,0.30mm,0.15mm C.9.50mm,4.98mm,2.16mm,1.18mm,0.60mm,0.30mm,0.15mm D.9.50mm,4.75mm,2.36mm,1.78mm,0.80mm,0.30mm,0.15mm