Answer: The students with yellow as their favorite color will be represented by the largest wedge in a pie chart.
Explanation:
Given: The number of people said purple color = 10
The number of people said brown color = 13
The number of people said yellow color = 18
The number of people said pink = 15
Since the greatest number of people said yellow as their favorite color.
Therefore, the students with yellow as their favorite color will be represented by the largest wedge in a pie chart.