multivariate polya distributionmultivariate power series distributionmultivariate probitmultivariate quality controlmultivariate ratio estimatormultivariate regressionmultivariate signed rank testmultivariate skewnessmultivariate stable distributionmultivariate student distributionmultivariate studentized rangemultivariate t distributionmultivariate time series analysismultivariate unimodalitymultivariate weibull distributionmultiway contingency tablemurphy mcmillan david test for outliersmurthy estimatormutationmutation processmutually dependent variablesmutually exclusivemutually exclusive eventsmutually independent