statistic statistical error Orlaith Burke Alejandra Gonzalez-Beltran Philippe Rocca-Serra adapted from wikipedia: http://en.wikipedia.org/wiki/Errors_and_residuals_in_statistics last accessed: 18-11-2013 disturbance statistical error is an data item denoting the amount by which an observation differs from the expected value, being based on the whole statistical population from which the statistical unit was chosen randomly ready for release