In any given set of values, the mean is the average. Add the numbers in the set and divide that total by the number of numbers in the set. The median is the central value when the numbers are listed least to greatest. If there is an even number of numbers, the median is the average of the middle two. The mode is the number that appears most often. If no number appears more frequently than any other, there is no mode. The range is determined by subtracting the smallest number from the largest one.
(1, 2, 3, 3, 4, 5)
The mean is 3.
The median is 3.
The mode is 3.
The range is 4.
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interquartile range or mean absolute deviation.
Range: 5 Mean: 3
The mean is 3. The range is 4.
The mean
You need to have all the values within the range to calculate the arithmetic mean .