抽樣與參數(shù)估計(jì)

1、4 - 2*4 - 3*4 - 4*參數(shù)估計(jì)參數(shù)估計(jì)假設(shè)檢驗(yàn)假設(shè)檢驗(yàn)統(tǒng)計(jì)方法統(tǒng)計(jì)方法描述統(tǒng)計(jì)描述統(tǒng)計(jì)推斷統(tǒng)計(jì)推斷統(tǒng)計(jì)4 - 7*4 - 8*4 - 9*4 - 10*4 - 11*4 - 13*4 - 14*4 - 15*5 . 21NxNii25. 1)(122NxNii4 - 16*3,43,33,23,132,42,32,22,124,44,34,24,141,441,33211,21,11第二個(gè)觀察值第二個(gè)觀察值第一個(gè)第一個(gè)觀察值觀察值4 - 17*3.53.02.52.033.02.52.01.524.03.53.02.542.542.03211.51.01第二個(gè)觀察值第二個(gè)觀察值第

2、一個(gè)第一個(gè)觀察值觀察值4 - 18*5 . 2x625. 02x4 - 19*X5x50 x5 . 2x4 - 20* xn x 4 - 21*正態(tài)分布正態(tài)分布非正態(tài)分布非正態(tài)分布樣本均值樣本均值正態(tài)分布正態(tài)分布樣本均值樣本均值正態(tài)分布正態(tài)分布樣本均值樣本均值非正態(tài)分布非正態(tài)分布4 - 22*)(XEnX22122NnNnX4 - 23*NNNN101或nnPnnP101或4 - 24*4 - 25*)(PEnP)1 (24 - 28*4 - 29*4 - 30*xxzx24 - 31*4 - 32*xxx4 - 35*)1 , 0( Nnxz)(22未知或nszxnzx4 - 36*112.

3、5101.0103.0102.0100.5102.6107.5 95.0108.8115.6100.0123.5102.0101.6102.2116.6 95.4 97.8108.6105.0136.8102.8101.5 98.4 93.34 - 37*28.109,44.10192.336.105251096.136.1052nzx36.105x4 - 38*2335392736443642464331334253455447243428393644403949383448503439454845324 - 39*63.41,37.3713.25.393677.7645.15.392nsz

4、x5 .39x77. 7s4 - 41*) 1(ntnsxtnstx24 - 42*15101520148015001450148015101520148014901530151014601460147014704 - 43*2.1503, 8.14762.1314901677.24131.214902nstx1490 x77.24s4 - 44*4 - 46*)1 , 0()1(Nnpznppzp)-1 (24 - 47*%35.74%,65.55%35. 9%65100%)651%(6596. 1%65)1 (2nppzp4 - 48*%29.40%,51.28250%)4 .341%(4 .3496. 1%4 .34)1 (2nppzp4 - 49*4 - 50*4 - 51*4 - 52*4 - 53*4 - 54*4