How do you calculator the percent error from a graph?
if the graph shows the actual error, just divide that by the correct value.
For example if the correct value is 20, and the error is 3, then the percent error is
3/20 = 0.15 = 15%
For example if the correct value is 20, and the error is 3, then the percent error is
3/20 = 0.15 = 15%