One of the aim of statistics is to find pattern in the web of data. There was a serial killer in Uk by name herald shipman. He was arrested in 1998. He killed at least 215 and 45 escaped. He used his position of authority as a doctor to murder many of his elderly patients. His Modus operandi was to inject his patients with a lethal dose of morphine and then alter their medical records to make their deaths look natur...