A two sample z-test is used to test whether two population means are equal. This test…
Category:
Hypothesis Testing
-
-
Hypothesis TestingTutorials
One Sample Z-Test: Definition, Formula, and Example
by Erma Khanby Erma KhanA one sample z-test is used to test whether the mean of a population is less…
-
Hypothesis TestingTutorials
Two Proportion Z-Test: Definition, Formula, and Example
by Erma Khanby Erma KhanA two proportion z-test is used to test for a difference between two population proportions. This tutorial…
-
Hypothesis TestingTutorials
One Proportion Z-Test: Definition, Formula, and Example
by Erma Khanby Erma KhanA one proportion z-test is used to compare an observed proportion to a theoretical one. This tutorial…
-
Hypothesis TestingTutorials
Two Sample t-test: Definition, Formula, and Example
by Erma Khanby Erma KhanA two sample t-test is used to determine whether or not two population means are…
-
Hypothesis TestingTutorials
One Sample t-test: Definition, Formula, and Example
by Erma Khanby Erma KhanA one sample t-test is used to test whether or not the mean of a population is…
-
The Wilcoxon Signed Rank Test is the non-parametric version of the paired t-test. It is used to…
-
A Mann-Whitney U test (sometimes called the Wilcoxon rank-sum test) is used to compare the…
-
Hypothesis TestingTutorials
Paired Samples t-test: Definition, Formula, and Example
by Erma Khanby Erma KhanA paired samples t-test is used to compare the means of two samples when each…
-
A statistical hypothesis is an assumption about a population parameter. For example, we may assume…
Newer Posts