25 36 12 10 10 44 15
First rearrange the terms in rank order.
Hence
10, 10, 12, 15, 25, 36, 44
MODE ; is the term that occurs most frequently (often). In this case '10'.
MEDIAN : is the Absolute middle term . In this case '15'. There are three terms to either side of '15'.
MEAN ; ; is the sum of all the terms divided by the number of terms.
Hence
[10 + 10 + 12 + 15 + 25 + 36 + 44 ] / 7
[152]7 = 21.71428.... ~ 21.7
RANGE ; is the difference between the largest and smallest terms
44 -10 = 34 .
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