Graph description: Figure 9. Difference versus mean plot for the increases in MAGS score

Scatter plot with Difference in MAGS score on the vertical axis and Average MAGS score on the horizontal axis.

There is a horizontal line through difference = zero.

All the differences exceed zero. The variability of the differences is similar for high and low averages.

Back to Inference about means.

This page maintained by Martin Bland.
Last updated: 24 July, 2009.