The following data represents the average commute time (minutes) from home to campus for a sample of students in a private college.

10.5	28.6	13.0	15.2	15.2	24.8	21.8
23.5	11.9	20.0	5.1	13.7	19.6	14.2
22.4	14.0	18.3	13.7	18.9	5.4	16.5
10.4	30.0	19.8	7.1	12.1	18.5	11.3

a) Summarize this data by completing each column of the following table i.e.: Frequency & Relative Frequency (% correct to 1 decimal place):