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weighted and mean
* Trimean – the weighted arithmetic mean of the median and two quartiles.
In probability theory, the expected value ( or expectation, or mathematical expectation, or mean, or the first moment ) of a random variable is the weighted average of all possible values that this random variable can take on.
Non-investable indices are indicative in nature, and aim to represent the performance of some database of hedge funds using some measure such as mean, median or weighted mean from a hedge fund database.
If a set of weights, ..., is associated to the dataset, ...,, the weighted harmonic mean is defined by
It is also equivalent to any weighted harmonic mean where all weights are equal.
( If neither is the case, then a weighted harmonic mean or weighted arithmetic mean is needed.
The weighted harmonic mean is the correct approach to determine the average specific gravity of a mixture when the composition by weight is known.
For a probability distribution, the mean is equal to the sum or integral over every possible value weighted by the probability of that value.
The average molecular mass is the abundance weighted mean ( average ) of the molecular masses in a sample.
It can produce a weighted mean that has less variability than the arithmetic mean of a simple random sample of the population.
The notion of weighted mean plays a role in descriptive statistics and also occurs in a more general form in several other areas of mathematics.
If all the weights are equal, then the weighted mean is the same as the arithmetic mean.
The term weighted average usually refers to a weighted arithmetic mean, but weighted versions of other means can also be calculated, such as the weighted geometric mean and the weighted harmonic mean.

weighted and is
As Broadway itself becomes increasingly weighted down by trite, heavy-handed, commercially successful musicals and inspirational problem dramas, the American theatre is going through an inexorable renaissance in that nebulous area known as `` off-Broadway ''.
A long book heavily weighted with military technicalities, in this edition it is neither so long nor so technical as it was originally.
TAI as a time scale is a weighted average of the time kept by over 200 atomic clocks in over 50 national laboratories worldwide.
The candela ( or ; symbol: cd ) is the SI base unit of luminous intensity ; that is, power emitted by a light source in a particular direction, weighted by the luminosity function ( a standardized model of the sensitivity of the human eye to different wavelengths, also known as the luminous efficiency function ).
The relative atomic mass ( historically and commonly also called " atomic weight ") of an element is the average of the atomic masses of all the chemical element's isotopes as found in a particular environment, weighted by isotopic abundance, relative to the atomic mass unit ( u ).
An additional method of long-term ocean-based sequestration is to gather crop residue such as corn stalks or excess hay into large weighted bales of biomass and deposit it in the alluvial fan areas of the deep ocean basin.
The formula used to calculate the final scores is a weighted sum of the votes.
According to the U. S. National Historic Landmark nomination for the arch, it is a " weighted catenary " instead.
However where there can be a difference weighted in favour of females is where the injury results in permanent scarring to the skin.
A loaded, weighted or crooked die is one that has been tampered with to land with a specific side facing upwards more often than it normally would.
The total is then weighted by and multiplied by the DD.
Linear filters satisfy the superposition condition, i. e. if an input is a weighted linear combination of different signals, the output is an equally weighted linear combination of the corresponding output signals.
The output of the filter is formed as the weighted sum of those delayed signals, as is depicted in the accompanying signal flow diagram.
* Friction — Sensitivity is expressed in terms of what occurs when a weighted pendulum scrapes across the material ( it may snap, crackle, ignite, and / or explode ).
A digraph with weighted edges in the context of graph theory is called a network.

weighted and similar
While weighted means generally behave in a similar fashion to arithmetic means, they do have a few counterintuitive properties, as captured for instance in Simpson's paradox.
Recently, Francis and Anderson proposed that a systematic effect on Hipparcos parallax errors for stars in clusters biases calculation using the weighted mean, and gave a Hipparcos parallax distance of 126 pc, and photometric distance 132 pc based on stars in the AB Doradus, Tucana-Horologium and Beta Pictoris moving groups, which are similar in age and composition to the Pleiades.
Minsky, however, supported traditional banking regulation and advocated further controls of finance to “ promote smaller and simpler organizations weighted more toward direct financing .” Writing from a similar “ neo-Keynesian perspective, Jan Kregel concluded that after World War II non-regulated financial companies, supported by regulatory actions, developed means to provide bank products (“ liquidity and lending accommodation ”) more cheaply than commercial banks through the “ capital markets .” Kregel argued this led banking regulators to eliminate Glass-Steagall restrictions to permit banks to “ duplicate these structures ” using the capital markets “ until there was virtually no difference in the activities of FDIC-insured commercial banks and investment banks .”
Indeed similar bleeding can occur also with gamma = 1, whence the reversing of the order of operations between gamma correction and forming the weighted sum can make no difference.
A similar method is used to draw numbers from a manually operated bingo cage ; a weighted cup catches the ball, which drops it onto the tray as the cage is rotated.
** Hitpin – A supervillainess who threw weighted objects similar to bowling pins.
The site is somewhat similar to Rotten Tomatoes, but the scoring results sometimes differ very drastically, due to Metacritic's method of scoring that converts each review into a percentage before taking a weighted average and listing different numbers of reviews.
The cartridge is able to fire a heavier bullet than the. 44 Magnum given similar velocities or similar weighted bullets at higher velocities.
Some Clavinovas ( CLP and CVP-Series ) feature " graded hammer " technology, a mechanical system of small metal hammers, weighted to be similar to those of a real pianoforte, which hit a digital pressure sensor that then translates into sound.
Jiànzi ( 毽子 ), ti jiànzi ( 踢毽子 ), ti jian ( 踢毽 ) or jiànqiú ( 毽球 ), also known by other names, is a traditional Asian game in which players aim to keep a heavily weighted shuttlecock in the air using their feet and other parts of the body ( but not hands, unlike the similar games peteca and indiaca ).
* slungshot A rope with a weighted end, far shorter, though similar in construction.
The monocoque aluminum coaches were particularly noteworthy ; they weighted empty, about one-third less than CN's existing fleet, and were somewhat lighter than the Amfleet coaches being introduced at the same time in the U. S. They were built around two aluminum girders running the length of the car, providing them with the high strength needed to meet the more stringent North American crash standards, while still being competitive with similar designs from Europe.
The 2005 Output Area Classification ( OAC ) of the UK is a move to ' open geodemographics ' and reflects a concern that applications of commercial geodemographics in policy and social research can otherwise be ' black box ': it is not always clear exactly what variables were used to classify small areas and to define their neighbourhood type, how those variables were weighted, or how similar ( or otherwise ) each of the neighbourhoods within a class type actually are.
It may also use the casque as a weighted tool to dig into rotten wood and loose bark in search of insects and similar prey.

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