In the area of statistics, the t- test is the most commonly used method that is used for the purpose of studying the difference in means between the two groups. In theoretical terms, the application of t – test is even possible when the sample size is relatively very small. The pre requisite is that […]

There are many times when the research is just not confined to one group of data. It is expanded to two groups of data and compares them. The purpose is to see if the two groups are similar or different. For this purpose T tests are often used in order to compare from two different […]