The tables below show the scores of a random sample of 8 males and 12 females on a trivia game. Based on the data, what conclusion can be made about the trivia knowledge of the males and females in the sample?
a The males' scores vary less than the females because the females have a larger inter-quartile range than the males.
b The males' scores vary more than the females' since their range is higher than the females.
c The females have a better knowledge of trivia facts than the males since they have a lower mean than the males.
d The females have a better knowledge of trivia facts than the males since they have a lower median than the males.
