law of large numbers

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun statistics The statistical tendency toward a fixed ratio in the results when an experiment is repeated a large number of times; law of averages.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun (statistics) law stating that a large number of items taken at random from a population will (on the average) have the population statistics