B)Gavin, whose data were reproduced by other scientists
to have the most accurate data, you need to be able to retest your results multiple times and get the same answers. shelly, only copied her data onto several charts, this does not make her answer any more correct. preston, repeated his data but got a different answer, automatically making this answer incorrect. and lilah, only tested her data once. so gavin, is most likely to have the most accurate data, because he tested his results multiple times with other people and they all came up with the same answer. Hope this helped :)