The study done in big business or organizations to reveal things which companies can use to maintain their intelligence . Large data analysis and programming is done by Data Scientists .By doing Master's in Applied Data Science , a Data Scientists can take major data driven decisions in their companies . To organize , describe , represent and interpret data certain statistical practices are applied and these entire process is termed as Data analysis. Before carrying out the analysis it is necessary to understand the purpose of doing the analysis . Doing the best out of the waste is the main purpose of data analytics . A Data Scientist could take more informed decision for a Company.