Study the following graph to answer these questions An ice-cream company prepares three different flavours X, Y and Z. The production of three flavours over a period of six years has been expressed in the bar graph provided below.
Whatis the difference betweeh.the average production of flavour X in 2010, 2011 and 2012 and the average production of flavour Y in 2013, 2014 and 2015?
