Histogram 25 20 15 Frequency Frequency 10 5 0 0 up to 3 3 up to 6 6 up to 9 9 up to 12 12 up to 15Histogram 25 20 15 Frequency Frequency 10 5 0 0 up to 3 3 up to 6 6 up to 9 9 up to 12 12 up to 15 0\fFrequency Polygon 14.00 13.00 12.00 11.00 610.00 9.00 Frequencies 8.00 7.00 6.00 5.00 4.00 0 2 6 8 10 12 14 16 18 20 22 24 26 Classes