Errors in Experimental Results If you prefer a tutorial in metric units (SI) Click Here.
Whenever one measures anything, there is an error associated with the measurement. If you try to measure the distance between two points with a ruler, you might find that it is 5". On your ruler, inches are subdivided down to 1/16" markings. If you look carefully, you might see that the distance is actually between 4 31/32" and 5 1/32" (half a ticmark up or down). Next: 95% Confidence Level Last Modification  July 11, 2004 
