• 2022-06-09
    设总体[img=103x27]1802daef43876f7.png[/img],[img=106x23]1802daef4b66f39.png[/img]是总体X的简单随机样本,以下哪个说法正确?
    A: [img=184x63]1802daef57928b6.png[/img]
    B: [img=188x63]1802daef62482a5.png[/img]
    C: [img=184x63]1802daef6d5dec4.png[/img]
    D: [img=188x63]1802daef788cc43.png[/img]
    E: [img=93x46]1802daef814b718.png[/img]
    F: [img=181x25]1802daef896d5ea.png[/img]
  • 举一反三