EntityQ599876· pop 10· linked from 73 articlesCochran's theoremSign in to savetheorem used to justify the appearance of chi-squared distributions in ANOVAConnectionsnormal distributionEntityeigenvectors and eigenvaluesEntityWilliam Gemmell CochranEntitymultilevel modelEntitystatisticsEntityInternational Standard Book NumberEntityscientific methodEntitydigital object identifierEntityexperimentEntityrandom variableEntityJSTOROrganizationarithmetic meanEntityvarianceEntitybibcodeEntityprobability distributionEntityidentity matrixEntityanalysis of varianceEntitylinear regressionEntityorthogonalityEntityrankEntityCategoriesCharacterization of probability distributionsTheorems in statistics