A histogram titled Heights of students, with six touching blue bars for the bins 150 ≤ h < 155 up to 175 ≤ h < 180. The horizontal axis is titled Height (cm) and numbered at the bin edges from 150 to 180, with a zig-zag break between the corner and 150. The vertical axis is titled Frequency and numbered from 0 to 11, and the tallest bar, 165 to 170, reaches 11.