plural of regression toward the mean

Alternative form of regression to the mean.

(physics) The root mean square of the velocities of all the molecules in a volume of gas; directly proportional to its temperature in the case of an ideal gas.

(rail transport, road transport) A measure of reliability that expresses the average distance travelled by a type of lorry, bus, rolling stock, etc, before preventative or reparative maintenance is required.

The average (mean) pressure which, if imposed on the pistons uniformly from the top to the bottom of each power stroke, would produce the measured (brake) power output.

A request for clarification of an anterior statement or question. / An expression of surprise, annoyance, or disagreement to an anterior statement.

plural of brake mean effective pressure

plural of mean distance between failure

A request for clarification of what the listener just said.

(informal, idiomatic) Indicating that one is serious and not joking about a matter.