There is a close relationship between confidence intervals and significance tests. Specifically, if a statistic is significantly different from 0 at the 0.05 level, then the 95% confidence interval will not contain 0.
U.S. National Library of Medicine(0.00 / 0 votes)Rate this definition: Air Pressure. The force per unit area that the air exerts on any surface in contact with it. Primarily used for articles pertaining to air pressure within a closed environment.
Pressure is the continuous physical force exerted on or against an object by something (a fluid such as air) in contact with it. Static pressure is the pressure you have if the fluid isn't moving or if you are moving with the fluid. Air would press against you equally in all directions.