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The range is the difference between the largest number and smallest number; 1,4,7,12 - range is 12-1=11 Range is 11.

The mode is the most frequent occurring number; 1,1,1,4,6,7, - mode is 1.

Median is the halfway point between the numbers; 1,2,4,5,8,9,10 - median is 5.

Mean is the 'average' of the set of numbers - 1+2+3+4=10/4=2.5

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13y ago

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