• 2022-06-12
    设总体[img=103x27]180370f983e7ddf.png[/img],[img=106x23]180370f98d7ca61.png[/img]是总体X的简单随机样本,以下哪个说法正确?
    A: [img=184x63]180370f999c3241.png[/img]
    B: [img=188x63]180370f9a4e685f.png[/img]
    C: [img=184x63]180370f9b0635d9.png[/img]
    D: [img=188x63]180370f9bb71745.png[/img]
    E: [img=362x46]180370f9c68a2d9.png[/img]
    F: [img=181x25]180370f9d101192.png[/img]
    G: [img=258x46]180370f9dbc3d19.png[/img]
    H: [img=188x63]180370f9e737b0c.png[/img]
  • 举一反三