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winniexiong

新虫 (初入文坛)

[求助] student's t-test

在文献中看到这样一段话,不知道A student's t-test 是什么意思?
“A Student’s t-test was made to compare the slopes of the lines of regression
obtained for each compound studied”
求助求助 谢谢!
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反对派

银虫 (正式写手)

都是一群没有真正学问的人,只知道概念,和无关痛痒的东西。就不会说一下这个t检验如何用。
这是很多论坛的通病。
真正完全懂得要看书的,从基础学起,在这里知道的只是只言片语。有时在这里发帖感觉是病急乱投医。
8楼2015-04-07 18:38:48
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ZZLLJJ

金虫 (正式写手)

【答案】应助回帖

winniexiong(金币+1): 2011-05-19 22:29:45
是不是一坐标曲线?我也不清楚,百度问一下吧
淌自己的汗吃自己的饭,自己的事自己干。
2楼2011-05-19 22:08:30
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winniexiong

新虫 (初入文坛)

引用回帖:
Originally posted by ZZLLJJ at 2011-05-19 22:08:30:
是不是一坐标曲线?我也不清楚,百度问一下吧

百度上也没有。。。
3楼2011-05-19 22:30:47
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jmmjx

木虫 (正式写手)


【答案】应助回帖

winniexiong(金币+2): 2011-05-20 13:23:45
统计上学过,但是多年不用记不清了
google了一下
A t-test is any statistical hypothesis test in which the test statistic follows a Student's t distribution, if the null hypothesis is supported. It is most commonly applied when the test statistic would follow a normal distribution if the value of a scaling term in the test statistic were known. When the scaling term is unknown and is replaced by an estimate based on the data, the test statistic (under certain conditions) follows a Student's t distribution.
网址http://en.wikipedia.org/wiki/Student's_t-test
4楼2011-05-20 09:16:49
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