(来学网)比较两组测定结果的精密度。甲组:0.38%,0.38%,0.39%,0.40%,0.40%;乙组:0.37%,0.39%,0.39%,0.40%,0.41%。则()。
  • A.
    (来学网)甲、乙两组相同
  • B.
    (来学网)甲组比乙组商
  • C.
    (来学网)乙组比甲组高
  • D.
    (来学网)需要准确度数据才能判断
  • E.
    (来学网)无法判断