Observations on burst strength (lb/in2) were obtained both for test nozzle closure welds and for production cannister nozzle welds ("Proper Procedures Are the Key to Welding Radioactive Waste Cannisters," Welding J., Aug. 1997: 61-67).

Construct a comparative boxplot and comment on interesting features (the cited article did not include such a picture, but the authors commented that they had looked at one).

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7200 6100 7300 7300 8000 7400 7300 7300 8000 6700 8300 Test Cannister 5250 5625 5900 5900 5700 6050 5800 6000 5875 6100 5850 6600