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1、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%的置信区间；(6) 在平
2、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 12.18729 25 16.5
3、2975 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 14.42493 57 14.2
4、7827 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 18.56328 89 14.9
5、6248 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 12.29974121 18.5
6、7842 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 10.42686153 18.7
7、2157 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 14.57061185 10.0
8、9053 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 13.28886 10.42686
9、 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 19.32253 14.49440
10、 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 17.62249 17.99
11、473 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 14.27827 16.248
12、16 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, 15.53450 18.
13、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, 14.92007 17.07803 18
14、.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 13.51675 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
