Data Analysis means a set of data (typically numeric) separated or broken in several ways to gain insight. It occurs in every phase of the continuous process. Data Analyst is the professional who involves in the process of analysis and also solve problems related to data, types of data, and relationships among data elements within a business system or IT system. The popular quantitative Data Analysis technique includes descriptive statistics, exploratory data analysis and confirmatory data analysis. There are many ways for the people to approach Data Analysis but a Data Analyst must be a highly trained individual who specialized in collecting, organizing, and analyzing data from various resources.