The mode is simply the number which appears most often.
Example:
In {6, 3, 9, 6, 6, 5, 9, 3} the Mode is 6, as it occurs most often.
Finding the Mode:
To find the mode or modal value, it is best to put the numbers in order. Then count how many of each number. A number that appears most often is the mode.
Example:
3, 7, 5, 13, 20, 23, 39, 23, 40, 23, 14, 12, 56, 23, 29
In order these numbers are:
3, 5, 7, 12, 13, 14, 20, 23, 23, 23, 23, 29, 39, 40, 56
This makes it easy to see which numbers appear most often.
In this case, the mode is 23.
More Than One Mode:
We can have more than one mode.
Example: {1, 3, 3, 3, 4, 4, 6, 6, 6, 9}
3 appears three times, as does 6.
So there are two modes: at 3 and 6
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