(originally posted on 7/7/2013) Statistics is probably the most dreaded course among my science/engineering friends. It is known to be boring, difficult and tedious. But many, many programs require it, from business, economics, finance to biology, physics, engineering. It is no surprise that stats is required among so many majors. Statistics illuminate an inherent and unavoidable part of life: uncertainty. When I started reading "How Randomness Rules our Lives" by Leonard Mlodinow about a year ago, I started to become more aware of how probability is useful to my many practical needs, and how random our universe is. If there is one most significant thing I learned from being a teenager, through both my academic and personal life, it would be that certainty is non-existence. Simplest things like measuring contains such much uncertainty that correcting for the error becomes its own subject of study. But in life, are we ever certain about any decisions we make? Maybe w...