• 2022-06-12
    设总体[img=103x27]1803a0a75d40df4.png[/img],[img=106x23]1803a0a766e9efe.png[/img]是总体X的简单随机样本,以下哪个说法正确?
    A: [img=184x63]1803a0a771ba217.png[/img]
    B: [img=188x63]1803a0a77ce6c8a.png[/img]
    C: [img=184x63]1803a0a788039ba.png[/img]
    D: [img=188x63]1803a0a794e577e.png[/img]
    E: [img=362x46]1803a0a79fe4a04.png[/img]
    F: [img=181x25]1803a0a7a7cd554.png[/img]
    G: [img=258x46]1803a0a7b2d6b69.png[/img]
    H: [img=188x63]1803a0a7bf17f67.png[/img]
  • 举一反三