Author Question: Explain under what conditions you would use percentage error and when you would use percentage ... (Read 31 times)

schs14 · **on:** Jul 28, 2018

Explain under what conditions you would use percentage error and when you would use percentage difference. Why would you sometimes use both?

Question 2

The magnitude of the electric force between two protons is 2.30 10^-26 N. How far apart are they?
1.0.100 m
2.0.0220 m
3.3.10 m
4.0.00570 m
5.0.480 m

xiazhe · **Reply #1 on:** Jul 28, 2018

Answer to Question 1

Percent error is defined as the ratio of the absolute difference between the
experimental and the accepted values to the accepted value, expressed as a
percentage. Percent difference is defined as the ratio of the absolute difference
between the experimental values to an average of the experimental values, expressed
as a percentage. Percent error is a measure of accuracy while percent difference
relates to precision, so both can tell something valuable about how well an
experiment has been done.

Answer to Question 2

1