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can u please explain absolute error?
Absolute error is the actual value of the error in physical units. For example, let's say you managed to measure the length of your dog L to be 85 cm with a precision 3 cm.
L = 85 cm + - 3cm
Suppose you also regularly monitor the mass of your dog. Your last reading for the dog's mass M, with absolute error included, is
M = 20kg + - 1 kg


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