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1、應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 12012年9月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 22012年9月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 32012年9月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 42008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 52008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)

2、Applied StatisticsApplied Statistics4 - 7應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 9應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 102008年5月2xp2s2121222121xx 21pp 2221ss應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 112008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 12應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)

3、學(xué)Applied StatisticsApplied Statistics4 - 132008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 142008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 152008年5月 x 應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 162008年5月 應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 172008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)

4、Applied StatisticsApplied Statistics4 - 182008年5月置信水平 /2 /2Z /2 /290%0.100.051.64595%0.050.0251.9699%0.010.0052.58應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 192008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 202008年5月xxx應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 21nx應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)A

5、pplied StatisticsApplied Statistics4 - 232008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 242008年5月12應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 252008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 282xp2s應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 29)1 , 0( Nnxz)(22未知或nszx

6、nzx) 1 , 0( Nnsxz應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 3025袋食品的重量袋食品的重量 112.5101.0103.0102.0100.5102.6107.5 95.0108.8115.6100.0123.5102.0101.6102.2116.6 95.4 97.8108.6105.0136.8102.8101.5 98.4 93.3應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 31Normal Probability Plot食品重量Expected Nor

7、mal Value-2.5-1.5-0.50.51.52.590100110120130140應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 3292.336.105251096.136.1052nzx36.105x應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 332008年5月233539273644364246433133425345544724342839364440394938344850343945484532應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied

8、 Statistics4 - 342008年5月1 .25 .393677.7645.15 .392nszx5 .39x77. 7s應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 35)1(ntnsxtnstx2應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 36應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 372008年5月151015201480150014501480151015201480149015301510146014601

9、4701470應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 38Normal Probability Plot燈泡壽命Expected Normal Value-2.0-1.5-1.0-0.50.00.51.01.52.0144014601480150015201540應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 392008年5月2.1314901677.24131.214902nstx1490 x77.24s應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied St

10、atistics4 - 402121222121xx 21pp 2221ss應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 41) 1 , 0()()(2221212121Nnnxxz) 1 , 0 ()()(2221212121Nnsnsxxz應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 42222121221)(nnzxx222121221)(nsnszxx應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 43中學(xué)中學(xué)1中學(xué)中學(xué)2n1=

11、46n1=33S1=5.8 S2=7.2861x782x應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 44)97.10,03. 5(97. 28332 . 7468 . 596. 1)7886()(22222121221即nsnszxx應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 452) 1() 1(212222112nnsnsnsp21221211nnsnsnsppp應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 46)2(11)(

12、)(21212121nntnnsxxtp21221221112nnsnntxxp應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 472008年5月方法方法1方法方法228.336.027.631.730.137.222.226.029.038.531.032.037.634.433.831.232.128.020.033.428.830.030.226.5應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 48Normal Probability Plot方法1組裝時(shí)間Expected Norm

13、al Value-2.0-1.5-1.0-0.50.00.51.01.52.02628303234363840Normal Probability Plot方法2組裝時(shí)間Expected Normal Value-2.0-1.5-1.0-0.50.00.51.01.52.018202224262830323436應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 492008年5月5 .321x996.1521s8 .282x358.1922s677.1721212358.19) 112(996.15) 112(2ps56. 37 . 31211

14、21677.170739. 2)8 .285 .32(應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 50)()()(2221212121vtnsnsxxt應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 51222121221)(nsnsvtxx1222221121212222121nnsnnsnsnsv應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 52兩個(gè)方法組裝產(chǎn)品所需的時(shí)間兩個(gè)方法組裝產(chǎn)品所需的時(shí)間 方法方法1方法方法228.336

15、.027.631.730.137.222.226.529.038.531.037.634.433.832.128.020.028.830.030.2應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 535 .321x996.1521s875.272x014.2322s13188.13188014.2311212996.158014.2312996.15222v433. 4625. 48014.2312996.151604. 2)875.275 .32(應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4

16、 - 54nzdd2應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 55nsntdd)1(2應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 562008年5月學(xué)生編號(hào)學(xué)生編號(hào)試卷試卷A試卷試卷B差值差值d17871726344193726111489845691741754951-27685513876601698577810553916應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 572008年5月11101101dniindd53.

17、61)(12dniidndds67. 4111053. 62622. 211) 1(2nsntdd應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 592008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 602008年5月) 1 , 0()1 (Nnpznppzp)-1 (2應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 612008年5月%35.74%,65.55%35.9%65100%)651%(6596.1%65)1(2即np

18、pzp應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 622008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 632008年5月222111221)1 ()1 (nppnppzpp) 1 , 0()1 ()1 ()()(2221112121Nnppnppppz應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 64應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 65%32.19,%6

19、8. 6%32. 6%13400%)321 (%32500%)451 (%4596. 1%32%45即應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 672008年5月111122122222nsnnsn應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 682008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 6925袋食品的重量袋食品的重量 單位:?jiǎn)挝唬篻112.5101.0103.0102.0100.5102.6107.5 95.

20、0108.8115.6100.0123.5102.0101.6102.2116.6 95.4 97.8108.6105.0136.8102.8101.5 98.4 93.3應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 704011.12)24() 1(2975. 0212n3641.39)24() 1(2025. 022n39.18083.564011.1221.931253641.3921.9312522即應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 71212221222122221

21、FssFss),(1),(1222121nnFnnF應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 722008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 735201x26021s4802x28022s應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 74505.028026098.12802602221應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 75均值均值比例比例方差方差

22、大樣本大樣本小樣本小樣本大樣本大樣本 2 2分布分布 2 2已知已知 2 2已知已知Z Z分布分布 2 2未知未知Z Z分布分布Z Z分布分布Z Z分布分布 2 2未知未知t t分布分布應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 76均值差均值差比例差比例差方差比方差比獨(dú)立大樣本獨(dú)立大樣本獨(dú)立小樣本獨(dú)立小樣本匹配樣本匹配樣本獨(dú)立大樣本獨(dú)立大樣本 1 12 2、 2 22 2已知已知 1 12 2、 2 22 2未知未知Z Z分布分布Z Z分布分布 1 12 2、 2 22 2已知已知 1 12 2、 2 22 2未知未知Z Z分布分布 1

23、 12 2= = 2 22 2 1 12 2 2 22 2正態(tài)總體正態(tài)總體F F分布分布Z Z分布分布t t分布分布t t分布分布t分布分布應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 772222)(EznnzE2應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 78應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 799704.964002000)96. 1 ()(2222222Ezn應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied Statistic

24、sApplied Statistics4 - 81應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 82應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 83應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 842008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 85應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 86我認(rèn)為人口的平均

25、我認(rèn)為人口的平均年齡是年齡是5050歲歲 應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 872008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 88應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 892008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 902008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 -

26、91應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 922008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 932008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 942008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 95應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 960應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applie

27、d StatisticsApplied Statistics4 - 972008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 98應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 99應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 100應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1012008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Stat

28、istics4 - 1022008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 103應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1042008年5月點(diǎn)估計(jì)量的抽樣標(biāo)準(zhǔn)差假設(shè)值點(diǎn)估計(jì)量標(biāo)準(zhǔn)化檢驗(yàn)統(tǒng)計(jì)量 應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1052008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 106應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied Statistics

29、Applied Statistics4 - 107應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 108應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1092008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 110應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 111應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 112200

30、8年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 113應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 114應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 115應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1162008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1172008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied

31、 StatisticsApplied Statistics4 - 1182008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1192008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1202008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 121應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 122應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApp

32、lied Statistics4 - 1232008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 124應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1252008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1262008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 127應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistic

33、s4 - 1282008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1292008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 130應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1312008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 132應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 134應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)

34、用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1352008年5月nsxt0nsxz0nxz0nxz0應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 136) 1 , 0(0Nnxz) 1 , 0(0Nnsxz應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 137應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 13801. 14052558 .2550nxz應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied Sta

35、tisticsApplied Statistics4 - 139應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1402008年5月1.261.191.310.971.811.130.961.061.000.940.981.101.121.031.161.121.120.951.021.131.230.741.500.500.590.991.451.241.012.031.981.970.911.221.061.111.541.081.101.641.702.371.381.601.261.171.121.230.820.86應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)

36、計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1412008年5月6061. 250365749. 035. 13152. 1z應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1422008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1432008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 144應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statisti

37、cs4 - 14575. 33612052005275z應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 146應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 147假設(shè)假設(shè)雙側(cè)檢驗(yàn)雙側(cè)檢驗(yàn)左側(cè)檢驗(yàn)左側(cè)檢驗(yàn)右側(cè)檢驗(yàn)右側(cè)檢驗(yàn)假設(shè)形式假設(shè)形式H0 : =0H1 : 0H0 : 0H1 : 0統(tǒng)計(jì)量統(tǒng)計(jì)量 已知 未知拒絕域拒絕域P值決策值決策拒絕H0nxz0nsxz02/zz zzzzP應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 148) 1

38、, 0(0Nnxz) 1(0ntnsxt應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 149假設(shè)假設(shè)雙側(cè)檢驗(yàn)雙側(cè)檢驗(yàn)左側(cè)檢驗(yàn)左側(cè)檢驗(yàn)右側(cè)檢驗(yàn)右側(cè)檢驗(yàn)假設(shè)形式假設(shè)形式H0 : =0H1 : 0H0 : 0H1 : 0統(tǒng)計(jì)量統(tǒng)計(jì)量 已知 未知拒絕域拒絕域P值決策值決策拒絕H0nxz0nsxt0) 1(2/ntt) 1( ntt) 1( nttP應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1502008年5月12.210.812.011.811.912.411.312.212.012.3應(yīng)用

39、統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 151Normal Probability Plot配件長(zhǎng)度Expected Normal Value-2.0-1.5-1.0-0.50.00.51.01.52.010.611.011.411.812.212.6應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1522008年5月7035. 0104932. 01289.11t應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1532008年5月應(yīng)用

40、統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 154應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1552008年5月) 1 , 0()()(2221212121Nnnxxz) 1 , 0()()(2221212121Nnsnsxxz應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 156假設(shè)假設(shè)雙側(cè)檢驗(yàn)雙側(cè)檢驗(yàn)左側(cè)檢驗(yàn)左側(cè)檢驗(yàn)右側(cè)檢驗(yàn)右側(cè)檢驗(yàn)假設(shè)形式假設(shè)形式H0 : 1- 20H1 : 1- 2 0 H0 : 1- 20H1 : 1- 20

41、統(tǒng)計(jì)量統(tǒng)計(jì)量12 , 22 已知12 , 22 未知拒絕域拒絕域P值決策值決策拒絕H02/zz zzzz P2221212121)()(nnxxz2221212121)()(nsnsxxz應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 157男性職員男性職員女性職員女性職員n1=44n1=32 =75 =70S12=64 S22=42.251x1x2x應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 158002. 33225.4244647075z應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied Stat

42、isticsApplied Statistics4 - 1592008年5月) 1 , 0()()(2221212121Nnnxxz應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1602008年5月21212111)()(nnsxxtp2) 1() 1(212222112nnsnsnsp221 nn應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1612008年5月2221212121)()(nsnsxxt1122222121212222121nnsnnsnsnsv應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Ap

43、plied StatisticsApplied Statistics4 - 162甲甲20.519.819.720.420.120.019.019.9乙乙20.719.819.520.820.419.620.2應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1631.96*Std. Dev.1.00*Std. Dev.MeanBox & Whisker Plot18.819.219.620.020.420.821.221.6甲機(jī)床乙機(jī)床應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 -

44、164Normal Probability Plot甲機(jī)床零件直徑Expected Normal Value-1.8-1.2-0.60.00.61.21.818.819.219.620.020.420.8Normal Probability Plot乙機(jī)床零件直徑Expected Normal Value-1.6-1.2-0.8-0.40.00.40.81.21.619.419.619.820.020.220.420.620.821.0應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 165855. 0/1/1)(2121nnsxxtp應(yīng)用統(tǒng)計(jì)

45、學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1662008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1672008年5月方法方法1方法方法228.336.027.631.730.137.222.226.029.038.531.032.037.634.433.831.232.128.020.033.428.830.030.226.5應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1682008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied

46、StatisticsApplied Statistics4 - 1691.96*Std. Dev.1.00*Std. Dev.MeanBox & Whisker Plot18222630343842方法1方法2應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1702008年5月) 1(0ntnsddtdddniindd11)(12dniidndds應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 171觀察序號(hào)觀察序號(hào)樣本樣本1樣本樣本2差值差值1x11x21d1 = x11 - x2

47、12x12x22d2 = x12 - x22M MM MM MM Mix1ix2idi = x1i - x2iM MM MM MM Mnx1nx2ndn = x1n- x2n應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 172假設(shè)假設(shè)雙側(cè)檢驗(yàn)雙側(cè)檢驗(yàn)左側(cè)檢驗(yàn)左側(cè)檢驗(yàn)右側(cè)檢驗(yàn)右側(cè)檢驗(yàn)假設(shè)形式假設(shè)形式H0 :d=0H1 :d0H0 :d0H1 :d0統(tǒng)計(jì)量統(tǒng)計(jì)量拒絕域拒絕域P值決策值決策拒絕H0) 1(2/ntt) 1( ntt) 1( nttPddnsddt0應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statis

48、tics4 - 173兩種飲料平均等級(jí)的樣本數(shù)據(jù)兩種飲料平均等級(jí)的樣本數(shù)據(jù)舊飲料舊飲料54735856新飲料新飲料66743976應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1742008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 175均值差檢驗(yàn)均值差檢驗(yàn)獨(dú)立樣本獨(dú)立樣本匹配樣本匹配樣本大樣本大樣本小樣本小樣本小樣本小樣本 1 12 2、 2 22 2已知已知 1 12 2、 2 22 2未知未知 1 12 2、 2 22 2已知已知 1 12 2、 2 22 2未知未知Z

49、Z 檢驗(yàn)檢驗(yàn)Z Z 檢驗(yàn)檢驗(yàn)Z Z 檢驗(yàn)檢驗(yàn)t t 檢驗(yàn)檢驗(yàn) 1 12 2= = 2 22 2 1 12 2 2 22 2t t 檢驗(yàn)檢驗(yàn)n1 1= =n2 2n1 1n2 2t t 檢驗(yàn)檢驗(yàn)t t 檢驗(yàn)檢驗(yàn)應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 176應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 177投擲次數(shù)投擲次數(shù)95%的置信區(qū)間的置信區(qū)間n=10000.5070.031(0.476,0.538)n=40400.5070.015(0.492,0.522) n=100000.5

50、070.003(0.504,0.510)應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 178nzxnzx22,nstxnstx22,應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 179nstxnzx或nstxnzx或應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 180應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1815 .1015, 5 .966165096. 1991,1650

51、96. 1991,22nzxnzx應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 183應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1842008年5月) 1 , 0()1 (000Nnpz應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 185假設(shè)假設(shè)雙側(cè)檢驗(yàn)雙側(cè)檢驗(yàn)左側(cè)檢驗(yàn)左側(cè)檢驗(yàn)右側(cè)檢驗(yàn)右側(cè)檢驗(yàn)假設(shè)形式假設(shè)形式H0: = 0H1: 0H0 : 0H1 : 0統(tǒng)計(jì)量統(tǒng)計(jì)量拒絕域拒絕域P值決策值決策拒絕H0P2/zz npz)1 (000zzzz應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1862008年5月應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1872008年5月475. 2200)80. 01 (80. 080. 073. 0z應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)Applied StatisticsApplied Statistics4 - 1882008年5月475. 2200)80. 01 (80. 080. 073. 0z應(yīng)用統(tǒng)計(jì)學(xué)應(yīng)用統(tǒng)計(jì)學(xué)

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