Data analysis is the process aiming to draw useful conclusion from raw data, to support the decision-making process, by cleaning, processing, visualizing, and modeling data to transform it into useful information for business ang scientific research. nowadays, business, politics and researching rely heavily on modeling and quantitative analysis of data. Data Analysis consists of the following phases: • Data Gathering • Data Collection • Data Cleaning • Data Analysis • Data Interpretation • Data Visualization There are several types of Data Analysis, the common Data Analysis techniques are: • Text Analysis • Statistical Analysis • Diagnostic Analysis • Predictive Analysis • Prescriptive Analysis