the test scores for last week's history test were:
worth 10 points
76, 100, 94, 90, 68, 90, 80, 92, 84
if test scores of 60 and 68 are added to the list, what would happen to the mean and median?
a) the mean and median stay the same.
b) the mean and the median become equal.
c) the mean and median get closer together.
d) the mean and the median get further apart.