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 below.3, 4, 8, 5, 2, 5, 0, 5, 3, 4, 3, 7What is the mean of the data set rounded to the nearest tenth?