Graph description: Figure 2. Histogram of the within-subject residuals for the data of Table 2

This is a histogam. showing the distribution of PEFR minus subject mean. It is a symmetrical, unimodal distribution with range minus 60 to plus 80 litres per minute.

Back to Measurement in Health and Disease: Measurement error.

This page maintained by Martin Bland.
Last updated: 21 April, 2008.