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.
National Science Education Standards. The National Science Education Standards (NSES) are guidelines for K-12 science education in United States schools. They were established by the National Research Council in 1996 to provide a set of goals for teachers to set for their students and for administrators to provide professional development. The NSES have significnatly influenced various states' own science learning standards and state-wide standardized testing.