实验课程三-简单随机抽样(二)

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1、精选优质文档-倾情为你奉上实 验（实训）报 告项 目 名 称 简单随机抽样(二) 所属课程名称 抽样调查 项 目 类 型 操作性实验 实验(实训)日期 2012年 月 日 班 级 10统计1班 学 号 姓 名 指导教师 实验名称: 简单随机抽样(二)实验目的: 演示简单随机抽样方法(无放回)得到的的置信区间实验要求: 编写R程序，实现：(1) 产生200个均值15，标准差2的正态随机数；(2) 用简单随机抽样方法(无放回)，抽取一个样本容量为10的样本；(3) 抽样如2所述样本100个；(4) 计算100个样本中每个样本的样本均值,样本标准差；(5) 根据每个样本，计算总体均值的置信水平为95

2、%的置信区间；(6) 在平面直角坐标系中，画出100个置信区间；(7) 计算100个置信区间的置信概率。实验过程:(1)N-rnorm(200,15,2)N N N 1 16.54614 16.47459 16.60419 13.98317 14.00365 17.07803 15.87376 10.22596 9 15.41560 14.50755 16.56376 12.67285 15.37356 14.79410 19.09158 13.87803 17 18.14196 14.58805 16.17131 16.18940 17.21151 14.62248 13.69993 12.

3、18729 25 16.52975 15.02352 13.75476 16.11693 14.62236 19.32253 13.60247 13.56651 33 16.60787 12.16611 12.30502 16.76551 14.08005 16.24816 15.16107 14.59102 41 15.01376 13.39983 14.00422 18.91531 15.78713 14.99855 15.81467 15.05878 49 12.87145 13.87790 11.60983 14.79621 13.78358 16.46379 14.78056 14.

4、42493 57 14.27827 13.81130 13.76908 13.51675 14.66293 14.51994 16.56363 13.34385 65 12.89357 17.99473 14.20141 13.19425 12.66619 12.43962 15.14663 13.83010 73 17.30816 17.70869 17.24634 14.29030 14.47089 13.75689 18.18349 15.08530 81 12.45241 15.25133 16.18048 16.62381 14.74752 17.81188 14.47780 18.

5、56328 89 14.96248 16.44936 17.93602 16.93349 11.24698 11.83600 16.80786 16.06975 97 18.43197 15.31846 14.76474 18.13264 15.39029 15.55571 17.62249 14.65648105 15.93421 14.21430 16.14996 16.15991 13.59945 14.53453 14.95521 13.83019113 10.01215 15.53450 18.04094 16.01006 18.56832 12.04011 14.39905 12.

6、29974121 18.57842 16.22738 14.34195 11.29933 18.17072 11.34647 14.02856 16.47862129 13.18424 15.11067 13.94949 14.81884 11.24833 15.42970 12.11834 12.51848137 11.31949 11.88002 13.68784 17.69970 18.93141 17.88287 14.88855 12.46922145 12.33212 14.79440 17.88700 15.18620 18.86514 10.62226 14.86854 10.

7、42686153 18.72157 18.28133 15.58188 18.13349 16.07140 18.17360 16.45242 14.70793161 14.30835 12.35136 14.65467 13.74045 12.97970 12.81722 14.66968 15.03169169 13.70789 16.37408 14.70830 16.67967 15.57037 13.56841 16.22386 19.64459177 18.80964 13.69184 15.99507 15.77368 17.09773 17.04936 15.81880 14.

8、57061185 10.09053 16.86311 13.28886 13.44428 12.71826 14.49440 12.63529 15.86269193 13.47383 15.41406 11.96588 14.92007 13.83352 15.68348 20.16340 12.16861(2) n n 1 14.58805 17.24634 18.93141 13.56651 17.88287 15.99507 12.97970 16.67967 9 14.00365 13.81130(3)a a ,1 ,2 ,3 ,4 ,5 ,6 ,7 1, 11.96588 13.2

9、8886 10.42686 18.17072 12.30502 19.64459 14.00422 2, 14.62236 11.88002 15.11067 15.81880 14.86854 12.04011 14.96248 3, 15.86269 14.59102 14.65648 18.18349 13.81130 18.18349 12.71826 4, 15.31846 17.69970 14.66968 15.31846 12.18729 15.81880 12.29974 5, 16.18048 14.62236 10.62226 14.86854 12.43962 19.3

10、2253 14.49440 6, 14.92007 14.00422 14.47089 14.00365 14.66293 15.31846 18.72157 7, 16.60787 14.21430 14.81884 14.62248 13.70789 14.58805 10.22596 8, 16.47862 15.03169 14.21430 13.51675 12.66619 18.56328 15.25133 9, 13.98317 15.78713 14.88855 16.46379 14.70830 13.74045 14.6224810, 12.89357 14.29030 1

11、7.62249 17.99473 13.47383 14.29030 16.22738 ,8 ,9 ,10 ,11 ,12 ,13 ,14 1, 15.57037 16.14996 15.81467 16.37408 18.80964 13.56651 19.09158 2, 15.31846 15.18620 14.51994 16.67967 13.83352 13.19425 13.59945 3, 18.04094 15.01376 15.08530 13.83019 16.52975 14.79410 13.18424 4, 14.78056 19.09158 13.59945 14

12、.27827 16.24816 14.65467 15.05878 5, 16.17131 19.64459 14.79621 11.24833 18.93141 12.67285 16.56376 6, 14.47089 13.74045 18.57842 13.47383 12.16861 15.31846 17.62249 7, 12.04011 17.88700 14.47780 15.25133 18.14196 12.04011 12.30502 8, 17.88700 14.53453 12.18729 14.50755 16.56363 17.93602 14.65648 9,

13、 15.53450 18.04094 16.22386 13.87803 18.13349 14.42493 18.1736010, 14.53453 15.42970 13.83019 11.83600 13.81130 14.34195 17.24634 ,15 ,16 ,17 ,18 ,19 ,20 ,21 1, 13.75689 11.24833 10.22596 12.81722 15.81880 13.68784 12.51848 2, 18.57842 13.81130 18.56832 15.41560 15.18620 14.29030 14.95521 3, 14.9200

14、7 17.07803 18.13264 11.88002 16.52975 15.16107 15.03169 4, 12.51848 14.86854 14.88855 16.80786 14.65467 12.97970 12.16611 5, 14.08005 13.18424 14.27827 16.18940 13.74045 15.77368 11.29933 6, 11.96588 16.18048 15.77368 18.57842 15.41560 15.39029 16.47459 7, 17.09773 11.24698 15.55571 12.11834 13.5167

15、5 16.56376 14.62248 8, 14.95521 14.62236 14.29030 11.29933 16.80786 13.75689 11.83600 9, 14.20141 12.81722 17.62249 13.83010 12.87145 14.00422 16.7655110, 12.45241 15.87376 12.45241 17.30816 14.42493 11.29933 13.76908 ,22 ,23 ,24 ,25 ,26 ,27 ,28 1, 12.04011 12.97970 14.65648 17.62249 18.72157 13.691

16、84 14.81884 2, 13.19425 12.33212 15.18620 19.09158 14.78056 14.86854 16.67967 3, 18.43197 15.42970 18.13264 11.34647 14.00422 16.15991 16.11693 4, 12.66619 14.47780 11.96588 16.76551 13.28886 15.93421 14.42493 5, 13.75689 13.68784 18.04094 12.67285 14.42493 18.57842 11.60983 6, 14.30835 18.13349 15.

17、77368 16.47459 18.13349 19.32253 14.78056 7, 13.83352 18.18349 11.60983 15.14663 16.01006 15.37356 16.76551 8, 15.86269 15.25133 12.87145 12.33212 13.44428 16.24816 14.57061 9, 17.04936 12.04011 13.94949 15.05878 12.33212 12.87145 17.0493610, 13.87803 13.74045 15.86269 14.74752 14.79410 13.69993 18.

18、72157 ,29 ,30 ,31 ,32 ,33 ,34 ,35 1, 15.86269 15.86269 16.15991 13.74045 13.83010 13.39983 16.06975 2, 15.08530 16.11693 15.41406 18.56328 14.92007 13.60247 10.09053 3, 15.93421 12.81722 17.30816 14.95521 16.52975 14.00422 12.30502 4, 13.34385 17.81188 13.47383 11.24833 11.88002 13.19425 12.16861 5,

19、 12.04011 15.99507 13.94949 12.51848 13.70789 14.86854 19.64459 6, 14.08005 14.34195 15.86269 14.27827 12.11834 14.47089 17.69970 7, 14.66968 16.44936 16.17131 16.60419 16.17131 16.47459 14.21430 8, 13.39983 14.29030 15.53450 16.60787 13.34385 13.78358 14.50755 9, 13.56841 13.75476 13.87803 17.93602

20、 15.42970 14.76474 12.4396210, 16.54614 18.17072 14.78056 13.94949 11.60983 13.69184 13.56651 ,36 ,37 ,38 ,39 ,40 ,41 ,42 1, 13.47383 14.47780 17.88700 15.39029 10.42686 16.54614 18.57842 2, 14.00365 17.70869 10.01215 10.09053 16.22386 11.88002 15.11067 3, 14.57061 14.96248 14.42493 15.58188 13.5665

21、1 16.67967 15.39029 4, 14.39905 14.88855 13.74045 13.56841 14.74752 18.56328 17.88700 5, 16.01006 14.99855 13.69993 13.94949 16.45242 17.30816 15.01376 6, 12.04011 14.79621 14.86854 14.88855 15.03169 16.47459 17.62249 7, 14.81884 13.78358 15.05878 12.66619 14.34195 15.53450 15.81467 8, 15.53450 12.8

22、1722 18.56328 14.66968 16.18940 14.81884 14.59102 9, 14.59102 17.99473 17.21151 14.86854 18.72157 12.33212 15.8737610, 13.69993 15.08530 14.88855 14.50755 12.16611 18.13349 15.16107 ,43 ,44 ,45 ,46 ,47 ,48 ,49 1, 16.18940 19.09158 17.69970 18.13349 13.74045 12.33212 17.21151 2, 15.55571 16.18940 13.

23、68784 13.18424 16.80786 14.51994 14.62236 3, 18.80964 12.89357 13.75476 10.01215 16.15991 16.18048 12.33212 4, 13.87803 18.14196 15.53450 15.93421 18.80964 16.18940 15.93421 5, 12.04011 15.93421 16.56363 15.01376 18.28133 12.16861 15.02352 6, 14.42493 16.45242 16.07140 17.70869 14.66293 15.03169 16.

24、86311 7, 15.77368 16.07140 11.31949 12.89357 14.96248 14.79621 14.70830 8, 13.56651 12.04011 11.24698 11.24833 11.88002 18.93141 17.81188 9, 14.79410 16.54614 15.87376 15.57037 12.87145 16.62381 12.4396210, 12.66619 15.31846 16.67967 13.75689 14.62236 13.28886 15.31846 ,50 ,51 ,52 ,53 ,54 ,55 ,56 1,

25、 16.47862 15.87376 14.02856 14.88855 12.35136 16.80786 14.88855 2, 15.02352 13.69184 10.42686 13.39983 17.81188 14.39905 15.53450 3, 14.95521 18.18349 16.54614 13.76908 18.18349 13.18424 12.51848 4, 14.47089 11.31949 12.51848 13.69184 17.69970 13.98317 14.42493 5, 16.11693 18.14196 14.21430 15.01376

26、 15.86269 15.39029 15.77368 6, 14.34195 15.31846 10.62226 14.92007 14.50755 14.02856 17.07803 7, 16.37408 12.43962 18.72157 16.45242 14.70793 12.81722 16.14996 8, 16.14996 14.86854 13.18424 14.62236 16.01006 17.81188 15.86269 9, 16.18048 14.79440 15.08530 12.87145 13.69184 13.68784 12.2997410, 14.65

27、648 15.39029 16.86311 15.93421 17.93602 16.22738 13.83019 ,57 ,58 ,59 ,60 ,61 ,62 ,63 1, 15.31846 15.11067 13.76908 17.30816 14.47780 16.67967 12.63529 2, 11.96588 15.16107 13.44428 15.25133 16.93349 20.16340 10.09053 3, 12.43962 13.56651 17.21151 13.81130 15.42970 14.20141 15.02352 4, 10.09053 17.0

28、9773 14.00365 14.59102 17.81188 15.41406 15.08530 5, 17.70869 13.81130 14.58805 13.94949 16.56376 13.75689 14.20141 6, 14.96248 18.04094 16.52975 16.22386 13.69184 16.24816 15.57037 7, 13.47383 17.62249 15.53450 11.29933 14.66968 17.70869 14.62248 8, 14.58805 18.72157 15.81880 18.14196 14.88855 18.1

29、8349 16.56376 9, 17.24634 14.51994 17.93602 18.91531 14.92007 10.62226 14.2143010, 12.63529 12.11834 17.62249 17.93602 11.83600 11.29933 12.35136 ,64 ,65 ,66 ,67 ,68 ,69 ,70 1, 12.46922 13.75689 13.51675 15.81880 14.95521 16.47459 16.22386 2, 14.29030 16.60787 15.14663 14.20141 14.21430 14.96248 13.

30、76908 3, 20.16340 20.16340 13.75476 16.01006 11.88002 16.46379 12.29974 4, 12.51848 18.13264 18.17360 17.88700 12.45241 15.93421 12.33212 5, 16.01006 17.70869 16.11693 15.25133 12.51848 14.00365 13.19425 6, 11.83600 15.55571 13.74045 14.88855 17.93602 17.24634 12.71826 7, 14.62248 13.98317 16.86311

31、15.58188 16.07140 20.16340 10.01215 8, 18.13349 14.47780 17.88287 10.42686 18.56328 16.06975 18.91531 9, 14.95521 18.17360 15.93421 17.62249 13.74045 18.80964 10.4268610, 16.60419 14.29030 10.22596 12.33212 14.86854 15.87376 13.68784 ,71 ,72 ,73 ,74 ,75 ,76 ,77 1, 13.81130 15.42970 18.91531 16.56376

32、 16.37408 15.01376 19.09158 2, 13.69184 13.87803 15.58188 18.17360 14.65648 18.13349 11.83600 3, 16.93349 15.08530 14.47089 14.74752 11.88002 13.60247 15.87376 4, 14.70793 15.37356 19.32253 17.21151 13.56651 15.05878 18.93141 5, 16.54614 13.51675 17.88287 16.24816 15.77368 18.18349 16.11693 6, 14.00

33、422 12.67285 15.14663 14.66293 19.09158 18.17072 17.21151 7, 11.29933 14.81884 18.13349 18.80964 14.30835 14.76474 12.11834 8, 15.81467 10.42686 14.78056 14.95521 10.22596 15.78713 12.71826 9, 18.13349 17.07803 15.11067 13.44428 18.43197 12.33212 15.0587810, 14.78056 14.95521 16.93349 13.74045 15.53

34、450 17.69970 15.41406 ,78 ,79 ,80 ,81 ,82 ,83 ,84 1, 13.56841 19.09158 12.89357 14.62248 19.09158 17.21151 13.98317 2, 16.06975 13.19425 12.51848 13.28886 17.70869 16.22738 15.05878 3, 14.79410 14.74752 11.88002 18.91531 12.63529 14.88855 16.11693 4, 14.08005 16.62381 12.33212 13.83010 19.32253 19.3

35、2253 18.72157 5, 10.22596 14.81884 15.58188 15.41406 18.56832 16.80786 13.59945 6, 15.53450 14.92007 14.39905 15.41560 15.03169 10.09053 16.52975 7, 12.18729 14.99855 16.56363 11.29933 16.11693 14.49440 13.47383 8, 12.16861 14.96248 14.99855 17.69970 14.42493 11.96588 18.13264 9, 13.78358 12.35136 1

36、1.29933 12.46922 16.47862 14.70793 14.7475210, 15.81880 12.51848 13.87790 17.21151 15.11067 18.93141 14.81884 ,85 ,86 ,87 ,88 ,89 ,90 ,91 1, 12.51848 13.75476 19.32253 17.93602 13.70789 14.47089 14.99855 2, 15.58188 18.72157 13.83352 17.81188 16.47862 15.03169 12.71826 3, 10.01215 19.64459 14.30835

37、15.77368 13.83019 16.54614 14.39905 4, 12.35136 16.18048 15.86269 12.89357 16.60419 13.74045 16.07140 5, 13.83010 14.49440 11.24833 14.08005 12.89357 16.01006 13.28886 6, 18.80964 15.25133 13.59945 14.92007 14.95521 18.57842 13.69993 7, 16.80786 12.43962 15.14663 15.41560 14.47089 16.18048 14.76474

38、8, 17.93602 13.56651 18.57842 18.28133 11.24833 18.13349 17.93602 9, 12.97970 16.54614 10.09053 15.86269 15.55571 17.70869 14.9200710, 12.16611 12.18729 17.69970 14.47089 16.62381 12.33212 14.21430 ,92 ,93 ,94 ,95 ,96 ,97 ,98 1, 15.99507 12.67285 12.87145 13.68784 14.65648 16.56376 16.60419 2, 17.24

39、634 11.34647 14.50755 14.95521 14.65467 14.74752 16.76551 3, 16.60787 17.62249 13.28886 12.97970 17.88700 17.93602 14.62236 4, 16.15991 12.04011 15.25133 13.44428 15.37356 14.65467 10.01215 5, 12.11834 17.04936 14.70793 13.19425 15.68348 16.24816 14.39905 6, 12.16861 16.62381 14.66968 13.75476 13.44

40、428 13.83352 14.96248 7, 14.08005 10.22596 11.31949 16.24816 14.96248 11.24833 12.11834 8, 15.03169 12.87145 12.89357 13.59945 14.42493 15.02352 14.42493 9, 18.13349 12.63529 12.04011 16.86311 20.16340 14.08005 14.2782710, 13.68784 17.88287 16.76551 15.68348 12.63529 16.22738 14.65467 ,99 ,100 1, 16

41、.22386 14.57061 2, 15.86269 18.91531 3, 15.57037 16.54614 4, 15.05878 18.72157 5, 12.16861 13.70789 6, 15.25133 15.55571 7, 13.60247 14.66293 8, 16.54614 16.22738 9, 14.58805 14.4778010, 15.68348 13.34385(4)N-rnorm(200,15,2)f-10/200y-replicate(100,sample(N,10)ybar-apply(y,2,mean)sdy-apply(y,2,sd)*sq

42、rt(1-f)/10)ybar 1 14.46499 15.56904 14.95931 15.00262 15.04944 14.64990 15.48359 14.99229 9 13.73703 15.09482 14.06515 14.47901 14.75969 14.84714 14.98847 13.87224 17 13.49334 15.49365 14.49647 15.45596 13.99288 15.52751 13.54565 15.05405 25 14.80700 15.45035 15.38359 14.52201 14.77742 14.79489 14.4

43、6563 13.68787 33 15.19098 14.75438 13.43413 14.50477 14.25820 14.08284 15.33305 13.89431 41 13.61473 13.70953 15.24843 14.60482 14.86368 15.06787 15.27914 14.34000 49 15.01219 15.37334 14.63686 13.81081 15.45548 13.84436 14.36393 14.48542 57 15.20966 15.35958 14.36665 14.45461 15.27093 15.12324 13.9

44、8883 15.51242 65 14.79579 13.82838 14.91794 15.03112 14.68130 14.18959 13.96315 14.65401 73 15.00729 14.44196 15.11732 14.28914 14.31596 15.01747 13.74136 14.72045 81 14.96925 14.61305 14.53748 14.68409 14.53394 14.90323 14.93983 14.94226 89 13.74810 14.44959 14.84999 14.20352 15.50329 14.39830 15.4

45、9450 14.04225 97 15.27273 16.03513 14.18868 13.89020(5)N-rnorm(200,15,2)f-10/200y-replicate(100,sample(N,10)Ybar-mean(y)ybar-apply(y,2,mean)sdy-apply(y,2,sd)*sqrt(1-f)/10)u-qnorm(0.95)ymin-ybar-sdy*uymax ymax 1 16.74104 15.85286 17.02382 16.47188 16.31945 16.29950 16.22275 16.36821 9 17.91200 15.072

46、33 15.75233 16.79152 16.95376 16.33113 16.13394 15.17710 17 17.01613 15.38799 16.37817 15.81192 16.55934 15.11206 15.77995 14.81142 25 16.59473 16.03612 17.13008 16.51858 15.67821 15.70239 15.37297 16.57838 33 16.54702 16.49432 15.73155 16.29442 15.70931 15.71401 15.83515 16.37310 41 16.17026 16.747

47、88 15.49294 17.19648 16.42892 17.56859 16.50426 16.63665 49 16.58746 15.45779 16.98005 17.09626 14.91747 16.96135 15.92866 15.07075 57 15.16186 15.69351 15.79219 16.82375 17.11241 16.69397 15.46561 15.41955 65 15.89035 15.75156 14.24936 17.38447 16.27569 16.52526 17.45888 16.67183 73 16.97198 16.546

48、97 15.44128 16.25745 17.17848 15.41213 15.07837 16.16350 81 15.88977 16.13824 15.69080 15.15033 16.99571 16.39713 17.68673 17.41959 89 16.88418 16.62446 16.04492 16.29195 16.13221 16.42291 15.14254 16.84919 97 16.47259 15.81567 16.06569 15.03084(6)N-rnorm(200,15,2)f-10/200y-replicate(100,sample(N,10

49、)Ybar-mean(y)ybar-apply(y,2,mean)sdy-apply(y,2,sd)*sqrt(1-f)/10)u-qnorm(0.95)ymin-ybar-sdy*uymax-ybar+sdy*uyminymaxnumber-100countymin) & Ybarymax)cpymini& Ybarymaxi,blue,red) points(i,ybari) Sys.sleep(0.5) abline(h=Ybar,lty=2)(7)cp-sum(count)/numbercat(Confidence Probability=,cp)Confidence Probability= 0.91专心-专注-专业