Class 11 Physics notes on Units & Measurement (Chapter 2 of 11th NCERT book) are available here. These notes are important for CBSE Class 11th Physics exams ...

Absolute error The numerical difference between a forecasted quantity and the actual result is known as absolute error.

Expressed as a percentage, relative error takes the price of the investment (or other quantity) into consideration when expressing the difference between a forecasted value and actual value.