53. The amount of aluminum contamination (ppm) in plastic of a certain type was determined for a sample of 26 plastic specimens, resulting in the following data ( The Lognormal Distribution for Modeling Quality Data when the Mean Is Near Zero, J. Qual.

Tech., 1990: 105—110):

30 30 60 63 70 79 87 90 101 102 115 118 119 119 120 125 140 145 172 182 183 191 222 244 291 511 Construct a boxplot that shows outliers, and comment on its features.