Which Types of Graphs (Bar, Box, Histogram, Pie, Stem-And-Leaf) Could

Essay

Which types of graphs (bar, box, histogram, pie, stem-and-leaf) could be used for these data sets? (Give all that could be used.)
A) Five hundred voters in an exit poll are asked, "Did you vote for Prop 47?"
B) The length of time (in minutes) you worked on math homework for each of the 23 classes we have had.