A bottle contains 30 vitamin pills. Wendy takes one pill every day. She finds that the bottle is too large and heavy to use comfortably. She decides to put the pills into smaller containers that hold 7 pills each. How many containers does she need? A) 2 containers B) 3 containers C) 4 containers D) 5 containers

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?