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In statistics, dispersion (also called variability, scatter, or spread) is the extent to which a distribution is stretched or squeezed. [1] Common examples of measures of statistical dispersion are the variance, standard deviation, and interquartile range. For instance, when the variance of data in a set is large, the data is widely scattered.
The word diffusion derives from the Latin word, diffundere, which means "to spread out". A distinguishing feature of diffusion is that it depends on particle random walk, and results in mixing or mass transport without requiring directed bulk motion. Bulk motion, or bulk flow, is the characteristic of advection. [1]
A typical suburban development in the United States, located in Chandler, Arizona An urban development in Palma, Mallorca. Urban sprawl (also known as suburban sprawl or urban encroachment [1]) is defined as "the spreading of urban developments (such as houses, dense multi–family apartments, office buildings and shopping centers) on undeveloped land near a more or less densely populated city".
The plateau created by modifying the proton beam is referred to as the spread out Bragg Peak, or SOBP, which allows the treatment to conform to not only larger tumors, but to more specific 3D shapes. [7] This can be achieved by using variable thickness attenuators like spinning wedges. [8]
Etendue or étendue (/ ˌ eɪ t ɒ n ˈ d uː /; French pronunciation:) is a property of light in an optical system, which characterizes how "spread out" the light is in area and angle. It corresponds to the beam parameter product (BPP) in Gaussian beam optics.
In finance, a spread option is a type of option where the payoff is based on the difference in price between two underlying assets. For example, the two assets could be crude oil and heating oil; trading such an option might be of interest to oil refineries, whose profits are a function of the difference between these two prices.
A Hawker Hurricane Mk.I of No. 601 Squadron RAF being serviced by Royal Air Force ground crew at an exposed dispersal at RAF Exeter, November 1940.. Dispersal is a military practice of dispersing or spreading out potentially vulnerable military assets, such as soldiers, aircraft, ships, tanks, weapons, vehicles, and similar equipment of an army, navy, or air force.
Between 4500 and 2500 BCE, this "horizon", which includes several distinctive cultures culminating in the Yamnaya culture, spread out over the Pontic steppes, and outside into Europe and Asia. [1] Anthony regards the Khvalynsk culture as the culture that established the roots of Early Proto-Indo-European around 4500 BCE in the lower and middle ...