Data Synthesis is a process of combining data from various sources to extract useful insights and make data-driven decisions. Coursera's data synthesis catalogue teaches you how to compile, merge, and interpret data, regardless of its format or source. You'll learn how to manipulate large data sets, identify trends, build data visualization, and use statistical methods to analyze and interpret data. The skillset will equip you to use data synthesis techniques in fields such as data science, business intelligence, market research, and more. Familiarize yourself with tools like Python, R, SQL and Excel for efficient data handling, modeling, and interpretation.