Students at Hampton Middle School sold T-shirts as a school fundraiser. Sylvie asked 12 random seventh-grade students how many T-shirts they sold for the fundraiser. The number of T-shirts each student sold is listed as shown. 3 comma 4 comma 8 comma 5 comma 2 comma 5 comma 0 comma 5 comma 3 comma 4 comma 3 comma 7 What is the mean of the data set rounded to the nearest tenth?