Use the given minimum and maximum data entries, and the number of classes, to find the class width, the lower class limits, and the upper class limits. minimum 8, maximum 78, 6 classes The class width is = Choose the correct lower class limits below. OA. 8, 19, 32, 43, 55, 68 OB. 8, 20, 32, 44, 56, 68 OC. 19, 31, 44, 55, 67, 79 OD. 20, 31, 44, 56, 68, 79 Choose the correct upper class limits below. OA. 20, 32, 44, 56, 68, 79 OB. 19, 31, 44, 56, 67, 79 OC. 19, 31, 43, 55, 67, 79 OD. 20, 32, 43, 55, 68, 79