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Penelope Wilson——Works at the Environmental Action Group, Lives in Amsterdam, Netherlands.
In statistics, the t-statistic is the ratio of the departure of the estimated value of a parameter from its hypothesized value to its standard error. ... For example, it is used in estimating the population mean from a sampling distribution of sample means if the population standard deviation is unknown.read more >>+119962023-06-23 04:17:54
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