Long description: fig7
Alt text: A line graph showing the percentage error decreasing linearly as the ratio of the inner diameter to the outer diameter increases from 0.75 to 1.
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- The graph plots percentage error on the vertical axis, ranging from 0 to 15%, and the ratio of the inner diameter to the outer diameter on the horizontal axis, ranging from 0.75 to 1.
- A horizontal dashed line is visible at a percentage error of 10%.
- A solid line graph starts at the point (0.75, approximately 11%) and slopes downward to the point (1, 0%).
- The relationship shown is a negative linear correlation, indicating that as the inner diameter to outer diameter ratio approaches 1, the percentage error decreases toward 0%.