Wilcoxon-signed rank testComparing the means of two groups is the most frequently used hypothesis test, and is known as the "Student" t-test. There are different versions for paired and unpaired data. If the requirements for the test are not met, alternative nonparametric tests such as the ...
Comparison of two means for enamel polishing after debonding——observation of enamel surface under SEM AIM:To observe the enamel surface after acid etching and removal of bonding adhensive under SEM.METHODS:Thirty two premolars which would be extracted ortho... FU Shan-Min,Y Ding,HX Wang,......
two sample testsAspin-Welch testFisher-Behrens problem.The usual t-test for testing that two samples come from a common normal population cannot be used to test H0: 1 = 2 for two samples drawn respectively from normal populations if . Many solutions to this problem, known as the two ...
Comparison of Two Groups: t-Tests and Nonparametric Tests - ScienceDirect Comparing the means of two groups is the most frequently used hypothesis test, and is known as the "Student" t-test. There are different versions for paire... JIE Hoffman - 《Biostatistics for Medical & Biomedical Pract...
aand then an hour-long speech to me,[translate] aone-way ANOVA test (F test) for comparison between more than two means ±standard deviations. 正在翻译,请等待...[translate]
The shot velocity in two pneumatic shot-peening machines has been examined by means of experiment and theory. The shot velocity was measured under various ... K Ogawa,T Asano,A Saito,... - 《Transactions of the Japan Society of Mechanical Engineers C》 被引量: 6发表: 1994年 加载更多研究...
aWe investigate the accuracy of odontometric methods in sex determination, using a sample from the Portuguese 我们使用一个样品在性别判断调查odontometric方法的准确性,从葡萄牙人[translate] aComparison of the means in both sexes was performed using Student’s t-test. Significant differences[translate...
结果1 题目 If the hypothesis test p for the comparison of the two sample means is far less than 0.01, it means that the difference between the two population means is relatively large.A、正确B、错误 相关知识点: 试题来源: 解析 错误 反馈 收藏 ...
The result of the significance test in the principle component scores shows that all components of young female adults from both countries had some significant differences. It means that there were differences in the upper and lower body parts between the Korean and Japanese young female adults. ...
was studied by setting up different experimental conditions to test the generality and practicality of the algorithm. In addition, the advantages and disadvantages of the two algorithms were compared with the aim of finding a more suitable method for estimating the number of wheat ears in the ...