• 2022-06-12
    设总体[img=103x27]18032606915cfe4.png[/img],[img=106x23]180326069a26879.png[/img]是总体X的简单随机样本,以下哪个说法正确?
    A: [img=184x63]18032606a61ba78.png[/img]
    B: [img=188x63]18032606b1a9a69.png[/img]
    C: [img=184x63]18032606bc03632.png[/img]
    D: [img=188x63]18032606c6524fe.png[/img]
    E: [img=362x46]18032606d1f6492.png[/img]
    F: [img=181x25]18032606db4add1.png[/img]
    G: [img=258x46]18032606e65f775.png[/img]
    H: [img=188x63]18032606f1df2a1.png[/img]
  • 举一反三