The range of a set of data is the difference between the largest and smallest, ie subtract the smallest from the largest. For example:
The largest is 89 and the smallest is 5, so the range is 89 - 5 = 84.
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Range
for the data set shown below find the interwar range IQR. 300,280,245,290,268,288,270,292,279,282
Because, if there is an even number of results in the set of data, the mean must be calculated by finding the half-way point between the two central numbers.
range
In a small data set, the range. However, I would not like to try and find the range for the volume of rain drops, or the size of sand grains!