Price-volume formulas for variance analysis. In doing performance variance analysis, it is often necessary to determine how much of the overall variance came from a change in volume and how much from price. An example of this is in purchasing spend where the volume differs from year to year (generally growing), and the price is going down.
Inside These Walls. While there are countless grand churches in Europe, including Westminster Abbey in London and St. Peterâs Basilica in Rome, only those that serve as the seat of a bishop can technically be called cathedrals.
Christianity in Europe. Christianity is the largest religion in Europe. Christianity has been practiced in Europe since the 1st century, and a number of the Pauline Epistles were addressed to Christians living in Greece, as well as the Roman Empire. According to a 2010 study by the Pew Research Center, 76.2% of the European population identified themselves as Christians.