code: def confidence(self):
          
  
          choices = self.choices
  
          # Get the chi-squared between the top two choices, if more than two choices exist
          if len(choices) >= 2:
              csq = chi_squared(*choices)
              confident = is_confident(csq, len(choices)) if len(choices) <= 10 else None
          else:
              csq = None
              confident = False
  
          return (csq, confident)
docs: Returns a tuple (chi squared, confident) of the experiment. Confident
          is simply a boolean specifying whether we're > 95%% sure that the
          results are statistically significant.