Source:http://linkedlifedata.com/resource/umls/id/C0444504
NCI: The sum of a set of values divided by the number of values in the set. (NIST Dictionary of Algorithms and Data Structures),NCI: The sum of the values of all observations or data points divided by the number of observations; an arithmetical average.,NCI: A statistics term. The average value in a set of measurements. The mean is the sum of a set of numbers divided by how many numbers are in the set.