Content attribution ${?}_{(})$

Question

The International Shark Attack File recorded the number of shark attacks between $1837$ and $2016$ for $8$ different U$.$S$.$ States.

What is the mean number of shark attacks over these states?

$4,8,5,13,3,4,1,10$

Select the correct answer below:

$8$

$6$

$24$

$48$

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