Weegy: In statistics, the mean is the mathematical average of a set of numbers. The average is calculated by adding up two or more scores and dividing the total by the number of scores. Consider the following number set: 2, 4, 6, 9, 12. [ The average is calculated in the following manner: 2 + 4 + 6 + 9 + 12 = 33 / 5 = 6.6. So the average of the number set is 6.6. ] User: What is the meaning of philosophy Weegy: A philosophy is a comprehensive system of ideas about human nature and the nature of the reality we live in. [ It is a guide for living, because the issues it addresses are basic and pervasive, determining the course we take in life and how we treat other people. ] (More)