What is a T Distribution?
What is the T Distribution Table?
The t distribution table values are critical values of the t distribution. The column header are the t distribution probabilities (alpha). The row names are the degrees of freedom (df). Student t table gives the probability that the absolute t value with a given degrees of freedom lies above the tabulated value.http://www.sthda.com/english/wiki/t-distribution-table
When Would You Use a T Distribution or a T Distribution Table?
T-distributions are most likely used to compare two process means. It is a hypothesis test of means.
You would use these in the following specific hypothesis tests: