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.
Reserved powers are those powers reserved for not reserved for-but  granted to the states. The definition of reserved powers: All  powers not expressed in the Constitution â¦ are granted to the states  and called reserved powers.4 people found this useful.eserved powers are those powers reserved for not reserved for-but  granted to the states. The definition of reserved powers: All  powers not expressed in the Constitution â¦ are granted to the states  and called reserved powers.