The standard time as kept on the planet Mars, determined on the prime meridian of Mars, which passes through the crater Airy-0.

A phenomenon whereby violence-related content of mass media makes viewers believe that the world is more dangerous than it actually is.

plural of regression toward the mean

Alternative form of regression to the mean.

Mean solar time at the Greenwich Meridian.

the average length of a solar day, used for practical timekeeping

(mathematics, of a set of numbers or values) The square root of the arithmetic mean of the squares.

(physics) the average distance travelled between two similar events; especially by molecules in a gas or liquid, electrons or phonons in a crystal or neutrons in a moderator

(mathematics) A mean of two numbers which is the common limit of a pair of sequences, whose terms are defined by taking the arithmetic and geometric means of the previous pair of terms.

plural of mean absolute deviation