These angles should add up to 360°. If they do not add up to 360°, something is incorrect. Image caption, To plot the pie chart, start by constructing a circle. Use a pair of compasses.

Whether it's for a work meeting or a class assignment, presenting data to others is a common task on our to-do list.Author Nicole White Associate ...

You could say the U.S. equity market is really more like three interconnected markets, with a lot of retail, mutual funds and arbitrage traders mostly separated from each other – resulting in less ...