Graph description: How do I compare methods of measurement which give results in different units?, 1

The figure shows a plot of FEV against PEF: FEV on the vertical axis, PEf on the horizontal axis. Each point from the table is plotted as a circle and there is a positive relationship. Subjects with high PEF tend to have high FEV.

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This page maintained by Martin Bland.
Last updated: 12 January, 2004.