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Diff — Student's t-test

Revision #1603 → #1806 · back to history

addedStudent's t-distribution7b589cf0d840
addedWelch's t-test (informal mention)4b590a9c9125
addedMatched-pairs sampleb2d79c2a0aba
addedSample variance follows scaled chi-squared93b80f55dd69
addedCLT approximation of sample means6eb98d54ad24
addedLaw of large numbers for sample variance093a76deb97a
addedSimple linear regression model82f2dde66234
addedPearson correlation coefficientecc253ff3757
addedOrthogonal-matrix construction yields independent normal/chi-squared componentscfe600baded9
addedt-test asymptotically approaches z-test008ab756d59b
modifiedHotelling's t-squared statistic039cb5c359b9
FieldFrom #1603To #1806
noteNo occurrence of Hotelling's T-squared statistic exists in Mathlib.Loogle finds no Hotelling-named declarations in Mathlib.
modifiedTwo-sample Hotelling's t-squaredd32624662f30
FieldFrom #1603To #1806
anchor.idd32624662f30
anchor.provenanceai
anchor.snippetFor a two-sample multivariate test, the hypothesis is that the mean vectorsThe two-sample Hotelling's T-squared test is not formalized in Mathlib.