variable of one random variablevariable of random variablevariable of samplingvariable of the estimation of the meanvariable of two random variablesvariable pointvariable precisionvariable quantityvariable ratiovariable space nonbasicvariable square rootvariable theoryvariable upper boundingvariable vectorvariable within samplesvariablenessvariablesvariablyvariancevariance analysisvariance between samplesvariance componentvariance confidence limitsvariance covariancevariance covariance matrixvariance equationvariance functionvariance matrixvariance of a probability distributionvariance of a random variablevariance of estimatevariance of frequencyvariance of function of more random variablesvariance of function of one random variablevariance ratio distributionvariance ratio testvariantvariant processvariatevariate valuevariationvariation of a curvevariation of a first degree functionvariation of a first degree linear functionvariation of a second degree functionvariation of constantsvariation of parametervariation of parametersvariation of parameters methodvariational