Graph description: Figure 6. Histogram of systolic blood pressure with wider intervals, frequency scale

A histogram of systolic blood pressure.

The horizontal axis is labeled Systolic blood pressure (mm Hg) and numbered 50, 100, 150, 200, 250, with ticks every 10 units. The vertical axis is labeled Frequency and numbered 0, 10, 20, 30.

There are vertical bars with bases 80 to 100, 100 to 120, 120 to 140, and so on, and with heights 2, 16, 36, 29, 5, 2, 1, 0, 1.

Back to Clinical Biostatistics: Data, frequencies, and distributions.

This page maintained by Martin Bland.
Last updated: 2 August, 2006.