1803da219778bde.png是来自总体[img=109x27]1803da21a0868f0.png[/img]的样本,下列统计量中作为总体均值[img=11x18]1803da21a9d2ed1.png[/img]的估计量最有效的是()
A: [img=195x43]1803da21b272d78.png[/img]
B: [img=177x43]1803da21bbf0407.png[/img]
C: [img=195x43]1803da21c8f39db.png[/img]
D: [img=195x43]1803da21d140886.png[/img]
A: [img=195x43]1803da21b272d78.png[/img]
B: [img=177x43]1803da21bbf0407.png[/img]
C: [img=195x43]1803da21c8f39db.png[/img]
D: [img=195x43]1803da21d140886.png[/img]
举一反三
- 1803da2659c5f64.png是来自总体[img=109x27]1803da266220b80.png[/img]的样本,下列统计量中作为总体均值[img=11x18]1803da266a62669.png[/img]的估计量最有效的是() A: [img=195x43]1803da26730c997.png[/img] B: [img=177x43]1803da267bc3993.png[/img] C: [img=195x43]1803da2688c94d5.png[/img] D: [img=195x43]1803da2691bcb69.png[/img]
- 1803380da932fa8.png是来自总体[img=109x27]1803380db1a1e53.png[/img]的样本,下列统计量中作为总体均值[img=11x18]1803380db9f9da1.png[/img]的估计量最有效的是() A: [img=195x43]1803380dc24e53c.png[/img] B: [img=177x43]1803380dcb3e74b.png[/img] C: [img=195x43]1803380dd82cc46.png[/img] D: [img=195x43]1803380de03b803.png[/img]
- 1803573b38dc769.png是来自总体[img=109x27]1803573b41cf6a9.png[/img]的样本,下列统计量中作为总体均值[img=11x18]1803573b4aebb14.png[/img]的估计量最有效的是() A: [img=195x43]1803573b53983d1.png[/img] B: [img=177x43]1803573b5c56834.png[/img] C: [img=195x43]1803573b6995668.png[/img] D: [img=195x43]1803573b71c10c1.png[/img]
- 1803573d12c5a47.png是来自总体[img=109x27]1803573d1aec62f.png[/img]的样本,下列统计量中作为总体均值[img=11x18]1803573d22e672e.png[/img]的估计量最有效的是( ) A: [img=195x43]1803573d2b7303a.png[/img] B: [img=195x43]1803573d34362da.png[/img] C: [img=195x43]1803573d41b9995.png[/img] D: [img=195x43]1803573d49b4835.png[/img]
- 1803380ef5dadfa.png是来自总体[img=109x27]1803380eff71bd6.png[/img]的样本,下列统计量中作为总体均值[img=11x18]1803380f07acc70.png[/img]的估计量最有效的是( ) A: [img=195x43]1803380f1083bca.png[/img] B: [img=195x43]1803380f18d0d79.png[/img] C: [img=195x43]1803380f21eaacf.png[/img] D: [img=195x43]1803380f29a8c6a.png[/img]