Student's t-test is a statistical test used to test whether the difference between the response of two groups is statistically significant or not. It...
50 KB (6,785 words) - 19:18, 25 August 2024
adaptation of Student's t-test, and is more reliable when the two samples have unequal variances and possibly unequal sample sizes. These tests are often...
13 KB (1,239 words) - 02:28, 22 July 2024
Fisher, who called the distribution "Student's distribution" and represented the test value with the letter t. Student's t distribution has the probability...
55 KB (6,344 words) - 06:27, 13 September 2024
standard error. It is used in hypothesis testing via Student's t-test. The t-statistic is used in a t-test to determine whether to support or reject...
11 KB (1,496 words) - 02:50, 1 April 2024
Student's t-test whose critical values are defined by the sample size (through the corresponding degrees of freedom). Both the Z-test and Student's t-test...
12 KB (1,791 words) - 14:35, 4 February 2024
one-sample Student's t-test. For two matched samples, it is a paired difference test like the paired Student's t-test (also known as the "t-test for matched...
39 KB (6,469 words) - 17:31, 18 September 2024
statistics underlying the Student's t-distribution. The Hotelling's t-squared statistic (t2) is a generalization of Student's t-statistic that is used in...
18 KB (1,980 words) - 21:40, 18 September 2024
population (within some tolerance). A number of statistical tests, such as the Student's t-test and the one-way and two-way ANOVA, require a normally distributed...
12 KB (1,624 words) - 06:30, 27 August 2024
standard deviation. Student's t-tests are appropriate for comparing means under relaxed conditions when less is assumed. Welch's t test assumes the least...
29 KB (3,152 words) - 19:49, 25 September 2024
U} test (also called the Mann–Whitney–Wilcoxon (MWW/MWU), Wilcoxon rank-sum test, or Wilcoxon–Mann–Whitney test) is a nonparametric statistical test of...
44 KB (5,795 words) - 07:12, 1 October 2024