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- Efficiency - Wikipedia
Efficiency is the often measurable ability to avoid making mistakes or wasting materials, energy, efforts, money, and time while performing a task In a more general sense, it is the ability to do things well, successfully, and without waste
- Efficiency (statistics) - Wikipedia
In statistics, efficiency is a measure of quality of an estimator, of an experimental design, [1] or of a hypothesis testing procedure [2] Essentially, a more efficient estimator needs fewer input data or observations than a less efficient one to achieve the Cramér–Rao bound
- Economic efficiency - Wikipedia
All characterizations of economic efficiency are encompassed by the more general engineering concept that a system is efficient or optimal when it maximizes desired outputs (such as utility) given available inputs
- Operational efficiency - Wikipedia
In a business context, operational efficiency is a measurement of resource allocation and can be defined as the ratio between an output gained from the business and an input to run a business operation When improving operational efficiency, the output to input ratio improves
- Electrical efficiency - Wikipedia
The efficiency of a system in electronics and electrical engineering is defined as useful power output divided by the total electrical power consumed (a fractional expression), typically denoted by the Greek small letter eta (η – ήτα)
- Energy efficiency - Wikipedia
Energy efficiency may refer to: Energy efficiency (physics), the ratio between the useful output and input of an energy conversion process Electrical efficiency, useful power output per electrical power consumed; Mechanical efficiency, a ratio of the measured performance to the performance of an ideal machine
- Efficiency (disambiguation) - Wikipedia
Efficiency is the extent to which time or effort is well used for the intended task or purpose Efficiency may also refer to: Efficiency (aerodynamics), the amount of lift divided by the aerodynamic drag; Efficiency (apartment), a one-room apartment; Efficiency (basketball), a statistical benchmark to compare the overall value of players
- efficiency - Wiktionary, the free dictionary
(engineering, physics) The ratio of useful work to energy expended Often given the symbol η The efficiency of this loudspeaker is 40% The extent to which time is well used for the intended task The efficiency of the planning department is deplorable
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