Analyzing data and putting it in a readable format Mining data from primary or secondary sources, such as data systems and databases Maintaining databases and data systems Developing and implementing data collection systems, databases, and other strategies to optimize statistical efficiency and quality Interpreting the data trends to make valuable inferences using statistical techniques. Data analysts are in high demand across various industries, as they use data to solve problems and gather and interpret data in order to solve a specific problem.make decisions. Develop and implement databases and data collection systems.