Put the first item in the data set into an empty memory location called, say, 'biggest'.
Now compare the second and subsequent items in the data set with 'biggest'. If the item is larger than 'biggest' then put the value of the item in 'biggest', otherwise do nothing.
By the time you have finished looking through the data set you will find that 'biggest' contains the greatest value in the data set.
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it is the greatest #(or number)in the set of data
The median value of a range of values.
The difference between the largest and smallest numbers in a data set is called the range.
Take the smallest value and subtract it from the largest value and that is the range.
It is one of the key measures of a data set: it shows the value around which the observations are spread out.