Many statistical tests require one or more variables to be normally distributed in order for…
Category:
Hypothesis Tests in Stata
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Hypothesis Tests in StataSoftware TutorialsStata
How to Perform Levene’s Test in Stata
by Erma Khanby Erma KhanLevene’s Test is used to determine whether two or more groups have equal variances. This is…
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Hypothesis Tests in StataSoftware TutorialsStata
How to Perform a Wilcoxon Signed Rank Test in Stata
by Erma Khanby Erma KhanThe Wilcoxon Signed Rank Test is the non-parametric version of the paired t-test. It is used to…
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Hypothesis Tests in StataSoftware TutorialsStata
How to Perform Welch’s t-test in Stata
by Erma Khanby Erma KhanThe most common way to compare the means between two independent groups is to use…
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Hypothesis Tests in StataSoftware TutorialsStata
How to Perform a Mann-Whitney U Test in Stata
by Erma Khanby Erma KhanA Mann-Whitney U test (sometimes called the Wilcoxon rank-sum test) is used to compare the differences between…
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Hypothesis Tests in StataSoftware TutorialsStata
How to Perform a Two Sample t-test in Stata
by Erma Khanby Erma KhanA two sample t-test is used to test whether or not the means of two populations are…
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Hypothesis Tests in StataSoftware TutorialsStata
How to Perform a One Sample t-test in Stata
by Erma Khanby Erma KhanA one sample t-test is used to test whether or not the mean of a population is…