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What (who) is T-Squared Trail - definition
T-Squared Trail
The T-Squared Trail is a hiking trail in north-central Pennsylvania, through portions of Sproul State Forest and Tiadaghton State Forest. For most hikers, the T-Squared Trail serves as a connection between two long-distance backpacking routes: the Donut Hole Trail and the Black Forest Trail.
Squared deviations from the mean
Squared deviations from the mean (SDM) result from squaring deviations. In probability theory and statistics, the definition of variance is either the expected value of the SDM (when considering a theoretical distribution) or its average value (for actual experimental data).
Hotelling's T-squared distribution
MULTIVARIATE PROBABILITY DISTRIBUTION RELATED TO THE F-DISTRIBUTION; THE DISTRIBUTION OF A SET OF SAMPLE STATISTICS THAT ARE GENERALIZATIONS OF THE STATISTICS UNDERLYING THE STUDENT'S T-DISTRIBUTION
Hotelling's T-square; Hotelling's T squared; Hotelling's T square; Hotelling's T-squared; Hotelling's T square distribution; Hotelling T2 distribution; Hotelling T-square; Hotelling T-square distribution; Multivariable testing; Multi variable testing; Multi variate testing; Hotelling's T-squared statistic; T-square distribution; Multivariate test; Hotelling's T-square distribution; Multi-variable testing; Bucket testing; Multivariate testing; Hotelling's T-square statistic; Hotelling's two-sample T-squared statistic; Pooled covariance matrix; Hotelling's t-squared statistic; Hotelling's two-sample t-squared statistic; Multivariate hypothesis testing; Hotelling t-squared statistic
In statistics, particularly in hypothesis testing, the Hotelling's T-squared distribution (T2), proposed by Harold Hotelling, is a multivariate probability distribution that is tightly related to the F-distribution and is most notable for arising as the distribution of a set of sample statistics that are natural generalizations of the statistics underlying the Student's t-distribution.
