Fifteen countries were randomly selected from the World Factbook 2004 list of world countries, and the infant mortality per 1000 live births rate was recorded:
6.38 101.68 9.48 69.18 64.19 3.73 21.31 52.71
13.43 29.64 15.24 5.85 11.74 9.67 8.68
Find the first and third quartile for the infant mortality per 1000 rate.