In mathematics and statistics, the arithmetic mean, or simply the mean or average when the context is clear, is the central tendency of a collection of numbers taken as the sum of the numbers divided by the size of the collection.

Alpha decay is by far the most common form of cluster decay where the parent atom ejects a defined daughter collection of nucleons, leaving another defined product behind ( in nuclear fission, a number of different pairs of daughters of approximately equal size are formed ).

The remainder form the study collection which ranges in size from beads to large sculptures.

Throughout the 1980s and ' 90s, Young promised fans a follow-up to the original Decade collection, provisionally titled Decade II ; eventually, this idea was scrapped in favor of a much more comprehensive anthology to be titled Archives, spanning his entire career and ranging in size from a box set to an entire series of audio and / or video releases.

In imperial Germany, possessing a collection of medals or wearing a uniform was valued more than the size of one's bank account, and Berlin never became a great cultural center as London, Paris, or Vienna were.

110 of the most famous strips have been reprinted in their original size and colors in the 2005 collection Little Nemo in Slumberland, So Many Splendid Sundays ( ISBN 978-0-9768885-9-8 ), a 16x21 inch hardcover book from Sunday Press Books and its sequel the 2008 collection Little Nemo in Slumberland, Many More Splendid Sundays, Volume 2 ( ISBN 978-0976888550 ) with 110 more images.

Depending on the size of the library collection, some libraries might use classification systems solely for one purpose or the other.

Self-balancing binary search trees may provide an acceptable compromise, where access time is equal for any member of a collection and only grows logarithmically with its size.

Reference counting is also used in disk operating systems and distributed systems, where full non-incremental tracing garbage collection is too time consuming because of the size of the object graph and slow access speed.

* The overhead in code size required for reference counting is very small ( typically a single LOCK INC or LOCK DEC instruction, which ensures atomicity in any environment ), and no separate thread of control is needed for collection as would be needed for a tracing garbage collector.

Part of the controversy is that these pieces might be natural geofacts ; the small size of the artifact collection makes it difficult to conclusively analyze the pottery.

Warez are often distributed outside of The Scene ( a collection of warez groups ) by torrents ( files including tracker info, piece size, uncompressed file size, comments, and vary in size from 1 k, to 400 k .) uploaded to a popular P2P website by an associate or friend of the cracker or cracking crew.

The type and size of a museum is reflected in its collection.

Of the art collection at 27 Rue de Fleurus, McBride commented: " n proportion to its size and quality ... is just about the most potent of any that I have ever heard of in history.

Neither of these two new Tates had a significant effect on the functioning of the original London Tate Gallery, whose size was increasingly proving a constraint as the collection grew.

Lymph follicles are a dense collection of lymphocytes, the number, size and configuration of which change in accordance with the functional state of the lymph node.

Queen Victoria on ' Fyvie ' with John Brown at Balmoral, by George Washington Wilson, 1863 ; medium: carte de visite, size: 9. 20 x 6. 10 cm ; from the collection of the National Galleries of Scotland

Thomas Duncan ( painter ) | Thomas Duncan, by Hill & Adamson, about 1844 ; medium: calotype print, size: 19. 60 x 14. 50 cm ; from the collection of the National Galleries of Scotland

The virtual disk is implemented as either split over a collection of flat files, typically each one is 2GB in size, collectively called a split flat file, or as a single, large monolithic flat file.

A highlight of the collection is the four Devonshire Hunting Tapestries, very rare 15th century tapestries, woven in the Netherlands, depicting the hunting of various animals ; not just their age but their size make these unique.

These were increased both in number and in size, contained prominent nucleoli, and were distributed throughout the fiber ( Figs. 2 - 5 ).

For private suits the minimum jury size was 201 ( increased to 401 if a sum of over 1000 drachmas was at issue ), for public suits 501.

As the size of the Australian diaspora has increased, so has the number of clubs outside Australia.

While still tightly linked to the court culture and absolutism, with its formality and emphasis on order and hierarchy, the new style was also a cleaner style — one that favored clearer divisions between parts, brighter contrasts and colors, and simplicity rather than complexity, and the typical orchestra size increased.

The Orchestra increased in size and range ; the harpsichord continuo fell out of use, and the woodwind became a self-contained section.

This oxygen level probably increased wildfire activity, as well as resulted in insect and amphibian gigantism -- creatures whose size is constrained by respiratory systems that are limited in their ability to diffuse oxygen.

Given a fixed budget, this can allow an increased sample size.

As the basis set size is increased, the energy and wave function tend towards a limit called the Hartree – Fock limit.

For siege warfare the size of crossbows was further increased to hurl large projectiles such as rocks at fortifications.

Greater body size implies increased muscle mass and increased oxygen stores.

The size of the typical cruising boat has increased over the years and is currently in the range of 10 to 15 metres although smaller boats have been used in around-the-world trips, but are generally not recommended given the dangers involved.

The draugr's ability to increase its size also increased its weight, and the body of the draugr was described as being extremely heavy.

As soon as you do this, the String class becomes larger, and people who don't need to use regex still have to " pay " for it in increased library size.

A class size experiment in the United States found that attending small classes for 3 or more years in the early grades increased high school graduation rates of students from low income families.

The need for the amplified guitar became apparent during the big band era as orchestras increased in size, particularly when guitars had to compete with large brass sections.

The most significant of these adaptations are 1. bipedalism, 2. increased brain size, 3. lengthened ontogeny ( gestation and infancy ), 4. decreased sexual dimorphism.

A class size experiment in the United States found that attending small classes for 3 or more years in the early grades increased high school graduation of students from low income families.

After the American Civil War, the federal government increased greatly in influence on everyday life and in size relative to the state governments.

With only five or six human generations in 150 years, time for natural selection has been very limited, suggesting that increased skeletal size resulting from changes in population phenotypes is more likely than recent genetic evolution.

Each size has merits and shortcomings ; a smaller handgun usually sacrifices ammunition capacity, recoil damping and / or long-range accuracy for increased concealability and ease of use by smaller-framed shooters.

By 1775, Washington had doubled the size of Mount Vernon to, and had increased its slave population to over 100.

In the 1990s, bananas were booming again, particularly as new European trade agreements increased market size.

Extraction of an additional electron from iron by oxygen is required to explain both iron's smaller size and observed increased oxidation state, and oxygen's weaker bond.

With the German colonization, the Empire increased in size and came to include the Duchy of Pomerania as well as Bohemia and the March of Moravia.