Question: The following table, stored in Smartphone Sales ,

The following table, stored in Smartphone Sales , represents the annual market share of smartphones, by type, for the years 2011, 2012, 2013, 2014, and 2015.

Source: Data extracted from www.gartner.com/newsroom/id/3215217. a. What conclusions can you reach about the market for smartphones in 2011, 2012, 2013, 2014, and 2015. b. What differences are there in the 2014 and 2015?