Gerald performed an experiment to determine if photosynthesis was affected by the color of light that a plant received. The data from his experiment are shown in the table below.
Color of Light
Number of plants
Average volume of oxygen produced (mL)
green
4
0.50
orange
4
2.0
blue
4
5.0
Which format should he use to present his data?
bar graph
chart
line graph
pie graph