3. The data below shows the ages, in years, of the members in a swim club.
6, 8, 9, 12, 12, 14, 19, 19, 19, 24, 27, 36, 45, 59, 62, 68, 68, 69, 70
A 71-year-old member joins the swim club. Which statistical measure is increased by 1.5 years?