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Type of Error One Version 

Another Version
Observed :  lab results,
 Accepted:book/calculated results		 Experimental:  lab results
Theoretical:  book/calculated results
Absolute Error:  How far are you off?  

Ea = Observed - Accepted value

 Ea =  Experimental - Theoretical 
Relative Error (Sometimes called % Error)

Er= (Observed -Accepted) *100
Accepted 

 Er= (Experimental -Theoretical) *100
Theoretical 
 
D.C. Everest Senior High
6500 Alderson Street
Weston, WI 54476

Bill Heeren, Teacher
March 27, 2012

Phone (715) 359-6561
Extension 4204
Fax (715) 355-7220