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Question

# The mean of 10 scores is 11.6. What is the sum of the scores?

Solution

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If $S$ denotes the sum of $n$ values, then the mean of those $n$ values is $\frac Sn$. Here, it is given that $n = 10$, and the mean of the values is $11.6$. Thus,

$\dfrac S{10} = 11.6\implies S = 11.6\times 10 = 116$

Thus the sum of the first ten scores is $116$.

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