Read the incomplete statement.


The effect of a(n) __________ error can often be reduced by averaging multiple trials, but the effect of a(n) __________ error cannot be reduced by averaging multiple trials.

Which option correctly completes the statement?

absolute; relative

relative; absolute

random; systematic

systematic; random

Is it C?

Yes, I think that is the answer you want; however, I have seen (and performed) experiments/tests where small systematic errors tended to be minimized with averaging.