<prompt> Which is the best method of central tendency that is used to show quantitative variable:MeanMedianModeBox and whisker  <response>: Ans. a MeanRef: K. Park 23rd ed. 847-88 Best measure of central tendency: MEAN Best measure of central tendency for NOMINAL data: MODE Best measure of central tendency for ORDINAL data: MEDIAN Best measure of central tendency foe metricquantitative data: MEAN 