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.
Core Concepts: Biology is a content-driven, visually stimulating, and media-rich online science resource. Supporting STEM learning and the Next Generation Science Standards, it delivers curriculum-correlated content; promotes digital literacy and 21st-century learning skills; and offers research, report, and homework help. Core Concepts: Biology features a straightforward, easy-to-navigate interface. Interactive activities, timelines, and science experiments provide opportunities for hands-on learning and help students see science in context.