a·rith·me·tic mean
the mean calculated by adding a set of values and then dividing the sum by the number of values.
Farlex Partner Medical Dictionary © Farlex 2012
mean
Statisticsnoun The sum of the values of all observations or data points divided by the number of observations; an arithmetical average; the central tendency of a collection of numbers, which is a sum of the numbers divided by the amount of numbers the collection.
Types
• Population mean (µ).
• Sample mean (x-bar).
Vox populi-UK
adjective Stingy; miserly; unwilling to share.
Vox populi-US
adjective Unkind, spiteful.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
arith·me·tic mean
(ar'ith-met'ik mēn)The mean calculated by adding a set of values and then dividing the sum by the number of values.
Synonym(s): average (2) .
Synonym(s): average (2) .
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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Fig. 47 Arithmetic mean . In this example, the mean (x) of 4 values of x is 11.
arithmetic mean
ormean
a number (symbol: x) that is computed by calculating the sum of a set of numbers (Σx ) and dividing the sum by the number of terms (n ).Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005