statistics is a sub-field of philosophy that deals with the following question 'how we learn from observations' using rigorous mathematical concepts.

just a side note you can make 'one sentence' very long, there is a book written by B. Hrabal that consist of one long sentence, see:
[Dancing Lessons for the Advanced in Age][1]


  [1]: http://en.wikipedia.org/wiki/Dancing_Lessons_for_the_Advanced_in_Age