The frequency distribution in the following table lists the
results of a quiz given in Professor Gilbert's statistics class.
Find the mean, median, and mode of the scores. (Round the mean to
one decimal place. If more than one mode exists, separate your
answers with commas. If an answer does not exist, enter DNE.)
mean
median
mode
10
4
9
11
8
10
7
9
6
11
5
3