(来学网)已知t0.05/2.6=2.447(双侧),理论上有95%的t值范围为
  • A.
    (来学网)(-∞,+2.447)
  • B.
    (来学网)(-∞,-2.447)
  • C.
    (来学网)(-2.447,+∞)
  • D.
    (来学网)(+2.447,+∞)
  • E.
    (来学网)(-2.447,+2.447)
正确答案:
E