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  2. Truncated mean - Wikipedia

    en.wikipedia.org/wiki/Truncated_mean

    A truncated mean or trimmed mean is a statistical measure of central tendency, much like the mean and median. It involves the calculation of the mean after discarding given parts of a probability distribution or sample at the high and low end, and typically discarding an equal amount of both. This number of points to be discarded is usually ...

  3. Amish - Wikipedia

    en.wikipedia.org/wiki/Amish

    The United States is the home to the overwhelming majority (over 98 percent) of the Amish people. In 2024, Old Order communities were present in 32 U.S. states. The total Amish population in the United States as of June 2024 has stood at 394,720 [1] up 17,445 or 4.6 percent, compared to

  4. Surface runoff - Wikipedia

    en.wikipedia.org/wiki/Surface_runoff

    Surface run-off results in a significant amount of economic effects. Pine straws are cost effective ways of dealing with surface run-off. Moreover, Surface run-off can be reused through the growth of elephant mass. In Nigeria, elephant grass is considered to be an economical way in which surface run-off and erosion can be reduced. [36]

  5. Hydrogen peroxide - Wikipedia

    en.wikipedia.org/wiki/Hydrogen_peroxide

    Hydrogen peroxide is a chemical compound with the formula H 2 O 2.In its pure form, it is a very pale blue [5] liquid that is slightly more viscous than water.It is used as an oxidizer, bleaching agent, and antiseptic, usually as a dilute solution (3%–6% by weight) in water for consumer use and in higher concentrations for industrial use.

  6. Pareto principle - Wikipedia

    en.wikipedia.org/wiki/Pareto_principle

    The Pareto principle may apply to fundraising, i.e. 20% of the donors contributing towards 80% of the total. The Pareto principle (also known as the 80/20 rule, the law of the vital few and the principle of factor sparsity [1] [2]) states that for many outcomes, roughly 80% of consequences come from 20% of causes (the "vital few").

  7. Alcohol proof - Wikipedia

    en.wikipedia.org/wiki/Alcohol_proof

    On 1 January 1980, Britain adopted the ABV system of measurement prescribed by the European Union, of which it was then a member. The OIML recommendation for ABV used by the EU states the alcohol by volume in a mixture containing alcohol as a percentage of the total volume of the mixture at a temperature of 293.15 K [20.00 °C; 68.00 °F].

  8. Sieve analysis - Wikipedia

    en.wikipedia.org/wiki/Sieve_analysis

    A sieve analysis (or gradation test) is a practice or procedure used in geology, civil engineering, [1] and chemical engineering [2] to assess the particle size distribution (also called gradation) of a granular material by allowing the material to pass through a series of sieves of progressively smaller mesh size and weighing the amount of material that is stopped by each sieve as a fraction ...

  9. Glossary of Australian rules football - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_Australian...

    Spell: to be interchanged off the ground, e.g., to "have a spell". Spillage: occurs when a ball comes off the top of a pack of players attempting to mark a ball. Spine: an imaginary line running between the goals at either end of the ground. Often used to refer to the key positions down the ground, i.e., full-back, centre-half-back, centre ...