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A skein is a unit of length which has been used in the UK. [1] As a measuring unit of cotton yarn or of silk , a skein equates to a "rap" or a "lea". [ 2 ] One skein is equivalent to 360 feet (109.73 m).
While hanks may differ by manufacturer and by product, a skein is usually considered 1/6th of a hank (either by weight or by length). One source identifies a skein of stranded cotton as being 8.25 yards (7.54 m), of tapestry wool as being 10 yards (9.1 m), and crewel wool as being 33 yards (30 m).
A vara (meaning "rod" or "pole", abbreviation: var) is an old Spanish unit of length. Varas are a surveying unit that appear in many deeds in the southern United States due to them previously being part of Mexico, they became part of the United States due to the Treaty of Guadalupe Hidalgo .
The atomic units have been chosen to use several constants relating to the electron: the electron mass, the elementary charge, the Coulomb constant and the reduced Planck constant. The unit of energy in this system is the total energy of the electron in the Bohr atom and called the Hartree energy. The unit of length is the Bohr radius.
In statistics, a unit is one member of a set of entities being studied. It is the main source for the mathematical abstraction of a " random variable ". Common examples of a unit would be a single person, animal, plant, manufactured item, or country that belongs to a larger collection of such entities being studied.
Skein / s k eɪ n / may refer to: A flock of geese or ducks in flight; A wound ball of yarn with a centre pull strand; see Hank; A metal piece fitted over the end of a wagon axle, to which the wheel is mounted; Skein (unit), a unit of length used by weavers and tailors; Skein dubh, a Scottish knife; Skein module, a mathematical concept
Bahar – a unit of length in Iran, and was a unit of mass in Oman; Batman – mostly a unit of mass, but sometimes a unit of area; Demal – unit of concentration; Dimi (metric prefix) – a discontinued non-SI metric prefix for 10 −4 [7] Einstein – unit of energy, and a unit of amount of substance; Fanega – a unit of dry volume, and a ...
Statistics is a field of inquiry that studies the collection, analysis, interpretation, and presentation of data. It is applicable to a wide variety of academic disciplines , from the physical and social sciences to the humanities ; it is also used and misused for making informed decisions in all areas of business and government .