Happy Numbers?

Why do the courtiers call the prince ‘the Happy Prince’? Is he really happy? What does he see all around him?

Calculate coefficient of correlation between Happiness Score and total number of medals (Gold+ Silver+ Bronze) won by the top 10 winner countries in Rio (Brazil) Olympics 2016. World Happiness Report (2015) : New York : Sustainable Development Solution Network.

("it is a pity that")/(P) ("by offering a handsome dowry")/(Q) ("a number of parents think that")/(R) ("they will be able to ensure the happiness of their daughters")/(S)