<prompt> Percentage of a data can be depicted on a: September 2009Pie chaBar diagramHistogramGraph  <response>: Ans. A: Pie cha A pie chacircle graph is a circular cha divided into sectors, illustrating propoion. In a pie cha, the arc length of each sector and consequently its central angle and area, is propoional to the quantity it represents. It is named for its resemblance to a pie which has been sliced. 