Arithmetic Mean 3
Arithmetic Mean 3 : [also called simply the "mean"] (a) The arithmetic average of all the values in the data set. [AIHA, 2000: Risk Assessment Principles for the Industrial Hygienist] (b) Average. [CARB, 2000: Glossary of Air Pollution Terms]; (c) A measure of central tendency. It is computed by adding all the individual values together and dividing by the number in the group. [Last, 1983: A Dictionary of Epidemiology]; (d) The arithmetic average, or the sum of all the values divided by the number of values. [NIAID, 1997: HIV Vaccine Glossary] (e) The sum of all the measurements in a data set divided by the number of measurements in the data set. [USEPA, 1992: GL for Exposure Assessment]
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