Descriptive Statistics in SAS

Welch’s t-test is used to compare the means between two independent groups when it is not assumed that the two groups have…

A paired samples t-test is used to compare the means of two samples when each observation in one sample can be paired…

A two sample t-test is used to determine whether or not two population means are equal. This tutorial explains how to perform…

A one sample t-test is used to determine whether or not the mean of a population is equal to some value. This…

The Wilcoxon Signed-Rank Test is the non-parametric version of the paired samples t-test. It is used to test whether or not there…

A Chi-Square Test of Independence is used to determine whether or not there is a significant association between two categorical variables. The…

A Chi-Square goodness of fit test is used to determine whether or not a categorical variable follows a hypothesized distribution. The following…

One way to quantify the relationship between two variables is to use the Pearson correlation coefficient, which measures the linear association between…

You can use proc freq in SAS to quickly create frequency tables for one or more variables in a dataset. The following…

You can use proc summary in SAS to quickly calculate the following descriptive statistics for one or more variables in a dataset:…