Mean
Add then all together
then divide by how many numbers there are in that set
Add then all together
then divide by how many numbers there are in that set
Median
the middle number in a set of data
if there are two middle numbers the number in between is the median
6, 7, 8 9, 10, 11\ 5, 6 ,6, 14, 16, 21
[ 8. 5 ] \ 6+4 = 20 divided by 2 =10
\ten is the median
Mode
the Most Frequent Ocuring Number
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