4 Definitions

The average of a group of measurement values. Mean is determined by dividing the sum of the values by the number of values in the group
defined by 6SixSigSigma
Also called the “average,” is the arithmetic midpoint of a population’s value. The mean is calculated by adding the values of all members of the population and dividing by the number of members.
The average of a set of numeric values, as calculated by summing the individual values and dividing by the number of values in the set.
defined by Lean Affiliates
Device, capability, regime, technique, restriction, agency, instrument, or method that may be called upon, activated, or enforced to achieve ends.

Categories of means include: mission; course of action; directive