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Zoe Stewart——Studied at the University of Tokyo, Lives in Tokyo, Japan.
-- is the standard deviation of the population. The absolute value of z represents the distance between the raw score and the population mean in units of the standard deviation. z is negative when the raw score is below the mean, positive when above. ... It measures the sigma distance of actual data from the average.read more >>+119962023-06-24 11:09:50
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