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 \((31+1)\div 4\,\times 3=24^{th}\) value, ...

Kiah Treece is a former attorney, small business owner and personal finance coach with extensive experience in real estate and financing. Her focus is on demystifying debt to help consumers and ...