Refer to picture

The following are ages of 18 of the signers of the Declaration of Independence. 50, 33, 45, 36, 52, 46, 60, 32, 42, 42, 40, 34, 40, 35, 46, 31, 70, 33 Find 20th and 75th percentiles for these ages. (a) The 20th percentile: (b) The 75th percentile: X U