Histogram of the number of schools attended Frequency 0 50 100 150 200 250 300 20 10 15 Number of Schools 15. A group of college students are asked: "Including elementary, middle school, high school, trade school, and college, how many schools have you attended?" The histogram shown represents their responses. Identify the mode of this distribution A. Zero the minimum value OB. Three, because it appears most often O C. Ten, because it's in the middle. D. Twenty, the maximum value