wald testwald test of marginal symmetrywald wolfowitz two sample testwallis and moore phase frequency testwalsh averagewalsh fourier transformwalsh functionwalsh indexwandering quarter samplingwaring herdan modelwaring limitswarning linewasserstein distancewave cutting indexwaveletweak convergenceweak dataweak law of large numbersweakly ergodic chainweakly stationary processwear processweather modificationweber functionwedge estimatorweibull distributionweibull exponential distributionweibull poisson processweibull processweierstrass approximation theoremweighing designweightweight biasweight of an arrayweight of evidenceweighted distributionweighted empirical processweighted least squaresweighted least squares rank estimatorweighted meanweighted normal plotweighted quasilinear meanweighted symmetryweiss test of independenceweiss type estimators of shape parameterswelch testwell calibrated forecastwell conditionedwestberg adaptive combination of testswestenberg test of dispersionweyl inequality