• 2022-06-12
    设总体[img=103x27]180365cb90ac73b.png[/img],[img=106x23]180365cb9906495.png[/img]是总体X的简单随机样本,以下哪个说法正确?
    A: [img=184x63]180365cba352d49.png[/img]
    B: [img=188x63]180365cbafe4d7d.png[/img]
    C: [img=184x63]180365cbbb8288a.png[/img]
    D: [img=188x63]180365cbc55b15b.png[/img]
    E: [img=362x46]180365cbcfcfa3b.png[/img]
    F: [img=181x25]180365cbd8afa6b.png[/img]
    G: [img=258x46]180365cbe491125.png[/img]
    H: [img=188x63]180365cbef3720d.png[/img]
  • 举一反三