What type of graph is best to use to organize numerical data into four groups of approximately equal size?
a. venn diagram
b. box and whisker plot
c. stem-and-leaf plot
d. pictograph

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.