The following table represents a grouped frequency distribution of the number of hours spent sleeping per week for 54 students. What is the class width?  Hours                         Number of students 35.0-40.9                    4 41.0-46.9                   19 47.0-52.9                   14 53.0-58.9                   11 59.0-64.9                   6

Question

The following table represents a grouped frequency distribution of the number of hours spent sleeping per week for 54 students. What is the class width? 

Hours                         Number of students

35.0-40.9                    4

41.0-46.9                   19

47.0-52.9                   14

53.0-58.9                   11

59.0-64.9                   6

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