numbers game vs wagering

numbers game

noun
  • The use of inappropriate statistics (numbers) to reflect a desired result (usually misleading). 

  • An activity that benefits from having many things to work with or on. 

  • A lottery in which bettors attempt to guess which numbers will later be drawn randomly. 

wagering

noun
  • An amount wagered. 

How often have the words numbers game and wagering occurred in a corpus of books? (source: Google Ngram Viewer )