David Measure's of central tendency

Monday, September 29, 2008


Mean
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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