âº EVC System. A disabled refuge is a relatively safe area within a building or exit staircase for mobility impaired occupants, allowing building management and emergency services to safely assist these people from the building.
Standard deviation is a number used to tell how measurements for a group are spread out from the average (mean), or expected value. A low standard deviation means that most of the numbers are very close to the average. A high standard deviation means that the numbers are spread out.
Shares of Enertopia Corporatio (ENRT) currently have a standard deviation of +0.46. Standard deviation is defined as a measure of the dispersion from the mean in regards to a data set. When dealing with financial instruments, the standard deviation is applied to the annual rate of return to help measure the volatility of a particular investment.