Garth is packing boxes with books. The list shows how many books are in each of 10 boxes.6, 14, 6, 18, 9, 9, 12, 10, 11, 15 Which statement is true about the number of books packed to a box?

Add the books in all 10 boxes: 6 + 14 + 6 + 18 + 9 + 9 + 12 + 10 + 11 + 15 = 110. Divide by 10 boxes to find the mean: 110 ÷ 10 = 11. So the true statement is that the mean number of books per box is 11.

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