Task: Question Answering
Input (English): Question: The determined (or systematic) errors that can be committed in an analytical method: 
 Options:  <1> They cause the data to spread more or less symmetrically with respect to a mean value. <2> They have a definite value and an assignable cause, giving rise to a bias in the results of a series of measures. <3> They come reflected in the precision of a measurement. <4> They are never attributable to instrumental measuring devices. <5> They result in outliers, which differ greatly from the others in a set of duplicate measures data.
Output (English): 2