The following multiply censored data reflect failure times in months of a new laser printer. Censored times result from removals of the printer due to upgrades. Determine the reliability of this printer over its 2-year warranty period. Use the adjusted rank method, the Kaplan-Meier method.

8 33 15+ 27 18 24+ 13+ 12 37 29+ 25 30

+ = Right censored data.