This is a histogram. The horizontal axis is labeled "Head circumference (mm)" and numbered 500, 550, 600, 650. The vertical axis is labeled "Frequency" and numbered 0, 10, 20, and 30.
In the histogram, the bars and bases are: 520 to 530 mm, 0, 530 to 540 mm, 12, 540 to 550 mm, 14, 550 to 560 mm, 26, 560 to 570 mm, 22, 570 to 580 mm, 19, 580 to 590 mm, 11, 590 to 600 mm, 7, 600 to 610 mm, 4, 610 to 620 mm, 1, 620 to 630 mm, 0, 630 to 640 mm, 1.
Back to Exercise: Head circumference and height, answer 6.
This page maintained by Martin Bland.
Last updated: 2 March, 2009.