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 = 9, maximum = 90, 7 classes The class width is 12 (Type a whole number.) Use the minimum as the first lower class limit, and then find the remaining lower class limits. The lower class limits are 16,23,30,37,44 (Type a whole number. Use a comma to separate answers as needed.) The upper class limits are 15,22,29,36,43 (Type a whole number. Use a comma to separate answers as needed.)