(来学网)7名某传染病患者,其潜伏期分别为13,10,12,9,8,11,98(天),则中位数是
  • A.
    (来学网)23
  • B.
    (来学网)11
  • C.
    (来学网)9
  • D.
    (来学网)10
  • E.
    (来学网)12.5