Mean Scale Score. This is the arithmetic mean or average of the scale scores for all students who took each grade-and/or content-specific CMA. Scale scores are used to equate the CMA from year to year and to determine the performance levels.
Dictionary entry overview: What does Central Powers mean? â¢ CENTRAL POWERS (noun) The noun CENTRAL POWERS has 1 sense: 1. in World War I the alliance of Germany and Austria-Hungary and other nations allied with them in opposing the Allies Familiarity information: CENTRAL POWERS used as a noun is very rare.
2. Chief Executive-the office of the United States head of state; a President is elected every four years. President of the United States, President. presidentship, presidency-the office and function of president; Andrew Jackson expanded the power of the presidency beyond what was customary before his time.hief Executive-the person who holds the office of head of state of the United States government; the President likes to jog every morning.