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The standard deviation σ of X is defined as which can be shown to equal. Using words, the standard deviation is the square root of the variance of X . The standard deviation of a probability distribution is the same as that of a random variable having that distribution. Not all random variables have a standard deviation.
Rose Tree Media School District. / 39.935; -75.391. Rose Tree Media School District is a school district headquartered in Media, Pennsylvania, United States. Rose Tree Media School District is serviced by the Delaware County Intermediate Unit. It has 4,143 students in its six schools. The superintendent is Joseph Meloche, Ed.D. [2]
Machine learning ( ML) is a field of study in artificial intelligence concerned with the development and study of statistical algorithms that can learn from data and generalize to unseen data, and thus perform tasks without explicit instructions. [1]
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The Internet (or internet) [a] is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) [b] to communicate between networks and devices. It is a network of networks that consists of private, public, academic, business, and government networks of local to global scope, linked by a broad array of ...
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