Use the given minimum and maximum data entries, and the number of classes, to find the c minimum = 7, maximum = 76, 6 classes The class width is Choose the correct lower class limits below. O A 15, 30, 43, 54, 66, 78 OB 7. 18. 31, 42, 54. 67 O C. 19. 30, 43, 55, 67, 78 OD. 7. 19, 31, 43, 55, 67 Choose the correct upper class limits below. O A 19. 31, 42, 54, 67, 78 O B 19. 31, 43, 55, 67, 78 O C. 18, 30, 42, 54. 06, 78 O D. 18, 30, 43, 55, 66. 78