• 2022-05-29
    若线性模型 [img=368x53]1802d616610ff08.png[/img]且[img=41x18]1802d6166abec61.png[/img]不相关.则未知参数[img=9x19]1802d6167260205.png[/img]的最小二乘估计[img=28x24]1802d6167b094b2.png[/img]
    A: [img=101x43]1802d6168304c30.png[/img]
    B: [img=123x43]1802d6168b4a08c.png[/img]
    C: [img=92x43]1802d61693bb50d.png[/img]
    D: [img=92x43]1802d6169d6182d.png[/img]
  • 举一反三