The technology of extracting meaning from data. – David J. Hand
The art of making numerical conjectures about puzzling questions. – Freedman, Pisani, Purves
The art and science of collecting and understanding data. – Andrew Siegel
Trying to understand data and obtain more understandable data. – Leonard J. Savage

There are three kinds of lies: lies, damned lies, and statistics.Benjamin Disraeli (attributed)