Abstract : In this chapter firstly, introduction of what the statistics is and how to the find the mean, median, mode and some other statistical tools are discussed. And some of the applications of the statistics are discussed and the most important application for the real life which is in data science it is discussed with the help of an example of the India?s death rate In which we have the data from 1995 to 2022(till now) which have been discussed. Because the deaths are the most important concern in today?s life on an individual