<prompt> Most commonly used measure of central tendancy is:MeanMedianModeNone of the above  <response>: MEAN Most commonly used in biostatistics.Most of the value in data spread along the mean.MEDIANBETTER indicator of central tendencyMaximum observation are concentrated around medianIf EXTREME VALUEs are recorded, then mean cant be used. Use median. .MODE Rarely used. A series can have no mode, 1 mode or, multiple mode. 