Please check if my class width is right and also help me find the class limits the first lower class limit is 12

Protein Grams in Fast Food The amount of protein (in grams) in a variety o 42 15 24 35 18 14 33 26 14 12 24 29 27 20 29 18 22 23 31 15 20 12 22 12 44 35 14 57 38 30 35 21 35 43 23 25 26 34 27 40 Send data to Excel Part 1 of 6 What is the class width for a frequency distribution with 7 classes? The class width is Part: 1 / 6 Next Part