There are 31 children in the class. The lower quartile is the \((31+1)\div 4\) value which is the \(8^{th}\) value, which is \(1\). The upper quartile is the \((31+1 ...
The steady expansion under way since mid-2016 continues, with global growth for 2018–19 projected to remain at its 2017 level. At the same time, however, the expansion has become less balanced and may ...