You asked your classmates to name their favorite type of music. You found that 12 students like rock, 8 like rap, 6 like R& B, and 4 like jazz. Suppose you made a pie chart to display the data. How many degrees of the circle should represent rock music?

The streaming music service has a 'taste profile' for every user, so what kind of data is it building up, and how can it be used? ... And most of your listening comes from a handful of playlists that you've made, which almost seemed to function like a collection." In fact, more than 50% of my listening in 2014 ...