The Standard Normal Distribution. It makes life a lot easier for us if we standardize our normal curve, with a mean of zero and a standard deviation of 1 unit. If we have the standardized situation of Î¼ = 0 and Ï = 1, then we have: `f(X)=1/(sqrt(2pi))e^(-x^2 /2`.
Who is Thomas Ã  Kempis? Thomas Ã  Kempis, C.R.S.A. was a German canon regular of the late medieval period and the most probable author of The Imitation of Christ, which is one of the best known Christian books on devotion. His name means Thomas of Kempen, his hometown, and in German he is known as Thomas von Kempen.
In Roman mythology, Janus is the god of gates, doors, doorways, beginnings, endings and time. Most often he is depicted as having two heads, facing opposite directions; one head looks back at the last year while the other looks forward to the new, simultaneously into the future and the past.