Principal Phillipi used a random sample of 20 student records to determine how far, in miles, students live from the school. The results are as shown. 3 comma 4 comma 5 comma 3 comma 4 comma 5 comma 6 comma 5 comma 4 comma 3 comma 2 comma 3 comma 4 comma 5 comma 6 comma 4 comma 8 comma 4 comma 3 comma 2 What is the mean distance that his students live from the school, rounded to the nearest tenth?