t. The librarian found the mean number of books returned each morning.
DOT PLOT
0 has 2 dots 1 has 0 dots 2 has 0 dots 3 has 1 dot 4 has 0 dots
5 has 1 dots 6 has 2 dots 7 has 0 dots 8 has 2 dots 9 has 1 dot
10 has 1 dot 11 has 0 dots
LIBRARIANS WORK
8 + 6 + 10 + 5 + 9 + 8 + 3 + 6 55
------------------------------------------------- = ---- = 6.9
8 8
Is this the correct mean of this data set? If not, explain and correct this answer