exactly vs on average

exactly

adv
  • Without approximation; precisely. 

  • Precisely, used to provide emphasis. 

intj
  • Signifies agreement or recognition. 

on average

prep
  • Expressed as a measure of central tendency (usually the arithmetic mean). 

  • Usually, typically; as a rule; as often as not. 

How often have the words exactly and on average occurred in a corpus of books? (source: Google Ngram Viewer )