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A group of classmates surveyed how other students travel to school. The results of the survey are shown in the table at right. Make a circle graph showing the results of the survey using percents.  

Mode of Transportation

Number of Students


Ride Bike

Ride in Car


Find the students using each mode of transportation as a percentage of all the students.

Each category of data is then represented by a portion of the circle. The measure of the angle of each sector portion is directly proportional to the corresponding percentage.

Consider the bike riders.

 of the student population ride bikes to school. 

Proportionately as an angle, this would be of (a whole circle). This equates to .

A circle graph with 4 sections labeled as follows: Ride in Car, 31.25 percent, Walk, 18.75 percent, Ride Bike, 12.5 percent, and Bus, 37.5 percent.