Identify each relation on N as one-to-one, one-to-many, many-to-one, or many-to-many. a. r =5(1, 2), (1, 4), (1, 6), (2, 3), (4, 3)6 b. r =5(9, 7), (6, 5), (3, 6), (8, 5)6 c. r =5(12, 5), (8, 4), (6, 3), (7, 12)6 d. r =5(2, 7), (8, 4), (2, 5), (7, 6), (10

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?