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2. Student's t-test - Wikipedia

   en.wikipedia.org/wiki/Student's_t-test

   The two-sample t-test is a special case of simple linear regression. The two-sample t-test is a special case of simple linear regression as illustrated by the following example. A clinical trial examines 6 patients given drug or placebo. Three (3) patients get 0 units of drug (the placebo group).

3. List of standardized tests in the United States - Wikipedia

   en.wikipedia.org/wiki/List_of_standardized_tests...

   EXPLORE [1] WorkKeys. California Achievement Test. ITBS – Iowa Test of Basic Skills [2] SAT – formerly Scholastic Aptitude Test. SAT Subject Tests. CLT – Classic Learning Test. Former English Language Proficiency Test – ELPT. PSAT/NMSQT – Preliminary SAT/National Merit Scholarship Qualifying Test.

4. Wilcoxon signed-rank test - Wikipedia

   en.wikipedia.org/wiki/Wilcoxon_signed-rank_test

   The Wilcoxon signed-rank test is a non-parametric rank test for statistical hypothesis testing used either to test the location of a population based on a sample of data, or to compare the locations of two populations using two matched samples. [1] The one-sample version serves a purpose similar to that of the one-sample Student's t -test. [2]

5. A/B testing - Wikipedia

   en.wikipedia.org/wiki/A/B_testing

   A/B testing (also known as bucket testing, split-run testing, or split testing) is a user experience research methodology. [1] A/B tests consist of a randomized experiment that usually involves two variants (A and B), [2] [3] [4] although the concept can be also extended to multiple variants of the same variable.

6. Two-sample hypothesis testing - Wikipedia

   en.wikipedia.org/wiki/Two-sample_hypothesis_testing

   In statistical hypothesis testing, a two-sample test is a test performed on the data of two random samples, each independently obtained from a different given population. The purpose of the test is to determine whether the difference between these two populations is statistically significant . There are a large number of statistical tests that ...

7. One- and two-tailed tests - Wikipedia

   en.wikipedia.org/wiki/One-_and_two-tailed_tests

   In statistical significance testing, a one-tailed test and a two-tailed test are alternative ways of computing the statistical significance of a parameter inferred from a data set, in terms of a test statistic. A two-tailed test is appropriate if the estimated value is greater or less than a certain range of values, for example, whether a test ...