T- test is a statistical tool in inferential statistics that is designed for a quantitative type of study, wherein this statistical tool is used to compare two sets of values and their relationship. Thus, to write a report on information obtained through a t-test. It is congruent with either the null or alternative hypothesis. For example. A study is about happiness and hours of physical activity. The hypothesis will be either there is a relationship or none, of course you have to determine if the value of the t is significant or not which depends on your critical value.