# File lib/camping-abingo.rb, line 617
        def p_value
                index = 0
                z = zscore
                z = z.abs
                found_p = nil
                while index < HANDY_Z_SCORE_CHEATSHEET.size do
                  if (z > HANDY_Z_SCORE_CHEATSHEET[index][1])
                        found_p = HANDY_Z_SCORE_CHEATSHEET[index][0]
                  end
                  index += 1
                end
                found_p
        end