The sum of all data
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the number of data
Median: The middle number of the data
1,3,3,4,6,9 median =3.5 because the only number between 3 and 4 is 3.5
the middle number in a set of data
1,3,(3),4,6,
1,3,3,4,6,9 mode =3
The most occuring number in a set of data
The positive difference between the greatest and least values
1,3,3,4,6 (6-1=5)
Here is a video about MMM
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