Problem: A total of 500 adults between the ages of 25 and 30 were polled as to which science courses they completed in their high school years. The following data were collected. Make circle graph using the data below. A compass and protractor may help you make the circle and the appropriate size sections. Use different colors to represent different sections of your graph. Label your chart with a title. Provide a legend or key that distinguishes each component.
a. Why must a percentage calculation be performed on the data before making the graph
b. Describe the trend displayed on this pie chart.
c. Most adults polled completed which science courses during their high school career
d. Describe the type of data that can be displayed using pie charts.
Science courses completed Number of data
No science courses 0
Biology only 45
Biology and chemistry only 205
Biology, chemistry and physics only 180
Other classes not listed 70