当前位置:首页 >> 机械/仪表 >>

11 2 Sample t Test(Chinese)


2 Sample t Test
NCC K.Nishijima ’03-Aug-9 1

2 Sample t Test
●Two Sample t Test
?鉴定2个分布的平均值是否有有意差。
?Two Sample t Test在正态分布时使用。

无有意差

有有意差 2

2 Sample t Test
●How to use Minitab

点击2-Sample t

3

2 Sample t Test
●How to use Minitab
选择Samples in different columns、分别输入想要鉴 别的列。

如偏差无有意差的话选择Assume equal variances

点击Graphs。

4

2 Sample t Test
●How to use Minitab

选择Boxplots of data

点击OK。

5

2 Sample t Test
●How to use Minitab

点击OK。 6

2 Sample t Test
●Session summary
Two-sample T for Sample1 vs Sample2 N 20 20 Mean 5.183 4.931 StDev 0.858 0.775 SE Mean 0.19 0.17

Sample1 Sample2

Difference = mu Sample1 - mu Sample2 Estimate for difference: 0.252 95% CI for difference: (-0.272, 0.775) T-Test of difference = 0 (vs not =): T-Value = 0.97 P-Value = 0.337 DF = 38 Both use Pooled StDev = 0.818

P-Value在0.05以上此平均值无有意差。 7

2 Sample t Test
●How to use Minitab ●概要
?Stat → Basic Statistics → 2-Sample t ?选择Samples in different columns、分别输入想要鉴别的列。

?如果偏差无有意差的话选择Assume equal variances。
?点击Graphs 。 ?选择Boxplots of data

?OK → OK

8



相关文章:
Samples of Chinese Passports(中国的护照)
Samples of Chinese Passports(中国的护照)_法律资料_人文社科_专业资料。中国...Chinese ordinary passports are divided into two sub-categories:one for ...
case study2
8. Chinese company A exported 100 M/T of frozen shrimp to a Canadian ... Case 3 暂无评价 2页 免费 in case 暂无评价 2页 免费 Case 11 暂无评价...
科英复习week15-16---EST Test Sample-Revision
科英复习week15-16---EST Test Sample-Revision_...11. T F Urban planners in the 17th-century ...sentences into Chinese: (20%, 2 points for ...
the sample of oral english test for...(2)_图文
S: … T: How old are you? S:… The Sample of Oral English Test for...文档贡献者 1明子儿 贡献于2017-11-14 1/2 相关文档推荐 Topics for Oral ...
C7035镀金镍RoHS+PFOS(2014 4 11) (2)
★样品描述(Sample Description):NICKEL/GOLD ELETRO...(English); 中文报告(Chinese) (任选一种,如需...Test Application Form as agreed by the two ...
survey sample paper
survey sample paper_英语考试_外语学习_教育专区。1 Abstract: Chinese EFL ...The statistical result is shown in Table 2: Table 2: T-test result of ...
Sample of Test Paper
Sample of Test Paper_英语学习_外语学习_教育专区...t yours. PART II VOCABULARY (10 minutes, 10 ...: Put the following paragraph into Chinese. ...
sample test
sample test 暂无评价|0人阅读|0次下载|举报文档...preferred shares; 11. 连带责任; 12. 有限合伙; ...(30%) 1. Is the contract void in China if ...
R语言 t检验实例程序及答案
R语言 t检验实例程序及答案_计算机软件及应用_IT/计算机_专业资料。R语言 t检验实例程序及答案 > t.test(a11,b11,alternative="greater") Welch Two Sample t...
SAS数据分析完整笔记
[收藏] 2013-08-11 ice 数据分析 数据分析 1. ...testsTwo-Sample t-test for means 2.7.6 成... Var name math Chinese; Run; Proc print data ...
更多相关标签: