21.9 20.2 19.4 20.3 19.6 20.4 18.4 20.1 22.0 18.9 # Treatment 1 (10 observations)
20.2 13.8 21.8 19.2 19.6 25.5 17.0 17.6 19.5 22.2 # Treatment 2 (10 observations)