“Spot on!” is a rather anachronistic and very Anglophile phrase, redolent of croquet lawns, tweeds and well designed woven straw hats. It’s no wonder we tend to use – if we are being technical – the word “accurate” instead.
But should we be using the word “precise” to make ourselves sound all academic? And what’s the difference?
Accuracy – the closeness a thing to it’s target
Precision – how close repeated attempts are to each other
Now those two things do not have to be connected – you may be accurate and imprecise, or inaccurate but very precise, or .. Oh forget it.
Let me just show you a picture …