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Difference between Z-test and t-test: Z-test is used when sample size is large (n>50), or the population variance is known. t-test is used when sample size is small (n<50) and population variance is unknown. There is no universal constant at which the sample size is generally considered large enough to justify use of the plug-in test.
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Currently, Dream Track and YouTube’s other early AI music tools are only available to a “small group of artists and creators,” YouTube said, adding that it’s encouraging “feedback to ...
These concerns and others led to a revamping of the Music Key concept to create YouTube Red; unlike Music Key, YouTube Red was designed to provide ad-free streaming to all videos, rather than just music content. This shift required YouTube to seek permission from its content creators and rights holders to allow their content to be part of the ...
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In the fixed-do system (used in the conservatories of the Romance language nations, e.g. Paris, Madrid, Rome, as well as the Juilliard School and the Curtis Institute in the USA), solfège symbols do not describe the role of pitches relative to a tonic, but rather actual pitches. In the movable-do system, there happens to be a correspondence ...
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