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.
Mrs. Deringer's Air Pressure-The force with which air presses down on the Earth Believe it or not, air takes up space, has mass and weight. Air pressure is affected by three factors. H. A. T. The H stands for Humidity. As the Humidity increases air pressure decreases. That means as the amount of moisture in the air increases the air pressure decreases. The A stands for Altitude. As the altitude increases the air pressure decreases.