1. The Young Republicans Club asked its members how many hours they had worked during the previous week in part-time jobs. The following data lists the number of hours spent working during the previous week.
6 6 6 4 6 6 9 8 7 3 7 8
6 7 6 7 7 6 6 8 6 7 8 4
a. From these data round the relative frequencies to three decimal places.