Use the given frequency distribution to find the (a) class width. (b) class midpoint of the first class. (c) class boundaries of the first class. (a) 3 OA. (b) 51 (c) 50-52 (a) 2 Oc. (b) 51.5 (c) 50-52 Height (in inches) Class Frequency, f 50-52 5 53-55 8 56-58 12 59-61 13 62-64 11 (a) 3 OB. (b) 51 (c) 49.5-52.5 (a) 2 OD. (b) 51.5 (c) 49.5-52.5