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The standard deviation of a random variable, sample, statistical population, data set, or probability distribution is the square root of its variance. It is algebraically simpler, though in practice less robust, than the average absolute deviation.
The Massachusetts Correctional Institution—Cedar Junction (MCI-Cedar Junction), formerly known as MCI-Walpole, is a maximum security prison under the jurisdiction of the Massachusetts Department of Correction. It was opened in 1956 to replace Charlestown State Prison, the oldest prison in the nation at that time. MCI-Cedar Junction is one of two (the other one being Souza-Baranowski ...
John Warnock Hinckley Jr. (born May 29, 1955) is an American who attempted to assassinate U.S. President Ronald Reagan as he left the Hilton Hotel in Washington, D.C., on March 30, 1981, two months after Reagan's first inauguration. Using a revolver, Hinckley wounded Reagan, the police officer Thomas Delahanty, the Secret Service agent Tim McCarthy and the White House Press Secretary, James ...
History of PDF. The Portable Document Format (PDF) was created by Adobe Systems, introduced at the Windows and OS/2 Conference in January 1993 and remained a proprietary format until it was released as an open standard in 2008. Since then, it has been under the control of an International Organization for Standardization (ISO) committee of ...
Binoculars or field glasses are two refracting telescopes mounted side-by-side and aligned to point in the same direction, allowing the viewer to use both eyes ( binocular vision) when viewing distant objects. Most binoculars are sized to be held using both hands, although sizes vary widely from opera glasses to large pedestal -mounted military models.
This is a list of links to articles on software used to manage Portable Document Format (PDF) documents. The distinction between the various functions is not entirely clear-cut; for example, some viewers allow adding of annotations, signatures, etc. Some software allows redaction, removing content irreversibly for security. Extracting embedded text is a common feature, but other applications ...
The Take (YouTube channel) The Take (previously named ScreenPrism) is a YouTube channel and media company. Co-founded and hosted by Yale University alumni Susannah McCullough and Debra Minoff, The Take produces video essays analyzing film, television and popular culture at large. [2] [3] [4] As of September 2021, The Take's Youtube channel has ...