Mean deviation

Mean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviationMean deviation