The lengths in inches of 20 new babies born in one week at a local hospital were recorded.
14.5, 15.5, 15.8, 16.8, 16.9, 18.0, 18.6, 18.9, 19.6, 19.8, 20.5, 20.0, 20.3, 21.1, 21.5, 21.6, 21.9, 22.1, 22.4, 23.1
In what percentile is a baby who is 21.5 inches long?