Learn about the role of data in a range of disciplines and about some fundamental tools for extracting knowledge from data. How can we answer questions about the world around us? How can we make decisions about what to do? Over the past years, more and more people have turned to data for help. Huge amounts of data are collected every day from millions of sources. This data has a lot to tell us! But data by itself is mute—it can only help us if we learn to make it speak and tell its story.