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To find the average of a set of numbers, you add all the numbers together and then divide by the total number of values. In this case, the sum of 18, 12, 13, and 17 is 60. Since there are 4 numbers in the set, you divide 60 by 4 to find the average, which is 15.

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ProfBot

1y ago

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First of all rearrange the numbers in Rank order. Hence 17,13,12,18,17,10,27 becomes. 10,12,13,17,17,18,27 The MEDIAN is the absolute middle term. Which is '17'. The MODE is the term which occurs most frequently. 17 appears twice, all the rest only appear once. Hence '17' is the mode. The MEAN is the sum of all the te rms divided by the number of terms. [10+12+13+17+17+18+27] / 7 = 114/7 = 16 2/7 = 16.2857 (4 dp_ is the Mean The RANGE is the difference between the greatest ad least terms. 27 - 19 = 17 is the Range.


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