What is difference between error and uncertainty
Error is the difference between the true value and the measured value. Uncertainty is the reported value that lies within the range of values within which the true value is asserted to lie in.
what is relative error? what is the difference between absolute error and relative error?
The mass of Mr x is 50kg and the uncertainty in measurement is 1 kg.The mass of Mr y is 55kg and the uncertainty in measurement is 2 kg. Find the difference of their masses with correct uncertainties.