A measure of the dispersion of a set of data from its mean. The more spread apart the data, the higher the deviation. Standard deviation is calculated as the square root of variance.
Core Science was originally developed by Doctors, Scientists, and Nutritionists for them and their families. It is the most potent and comprehensive supplement available today and is based on the latest scientific evidence and research.ore Science was originally developed by Doctors, Scientists, and Nutritionists for them and their families. It is the most potent and comprehensive supplement available today and is based on the latest scientific evidence and research.
Physical science, the systematic study of the inorganic world, as distinct from the study of the organic world, which is the province of biological science. Physical science is ordinarily thought of as consisting of four broad areas: astronomy, physics, chemistry, and the Earth sciences. Each of these is in turn divided into fields and subfields. This article discusses the historical developmentâwith due attention to the scope, principal concerns, and methodsâof the first three of these areas.