"Average" is the arithmetic mean; "median" is the figure in the middle of the series of numbers.
In the middle of the 19th century, kids in most states could stop going to school after eighth grade, once they had learned to read and do a little arithmetic, and they got jobs.
In the middle of nowhere.
The middle of Court Street.
In the middle of each three-hour test session half of the volunteer subjects had to make a four-minute speech on a controversial subject as a stress test, while the other half performed simple arithmetic problems.
All of the properties of the arithmetic of ordinal numbers are derived from the more general arithmetic of relation numbers.
As a foundational corollary, we obtain that that learning based realizability is a constructive interpretation of Heyting Arithmetic plus excluded middle over Σ01 formulas (for which it was designed) and of all Peano Arithmetic when combined with Gödel's double negation translation.
The middle 10 plants from each line were chosen for evaluation, and the arithmetic mean of the measurements from each line was used to determine the number of spikelets per panicle (SPP).
