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What is the arithmetic mean of the integers from 16 to 20, inclusive?
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What is the arithmetic mean of the integers from 16 to 20, inclusive?

User Naveen Kumar H S
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1 Answer

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The mean of sequential integers is the middle number, namely 18.

Alternatively, we can calculate the mean
(16+17+18+19+20)/5=90/5=18.

We can also think of the mean as
(18-2+18-1+18+18+1+18+2)/5=5*18/5=18

User FDuhen
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