As a prank you want to fill you little brother's room to the top with golf balls. One 12"x12"x18" box of golf balls holds 324 balls. If his room can fit 10 boxes along one wall, 8 boxes along another wall, and 9 boxes to the ceiling. About how many balls would it take to fill his room (nearest tens)? golf balls

Here are the 30 best lifetime baseball batting averages of all time, arranged in order from lowest to highest: 0.319, 0.329, 0.330, 0.331, 0.331, 0.333, 0.333, 0.333, 0.334, 0.334, 0.334, 0.336, 0.337, 0.338, 0.338, 0.338, 0.340, 0.340, 0.341, 0.341, 0.342, 0.342, 0.342, 0.344, 0.344, 0.345, 0.346, 0.349, 0.358, 0.366 if you were to build a histogram of these data, which of the following would be the best choice of classes?