Save this script as do_report_results.sql.

\t on
select 'Using ntile().';
\t off

select
  bucket,
  n,
  to_char(min_s, '990.99999') as min_s,
  to_char(max_s, '990.99999') as max_s
from results
where method = 'ntile'
order by bucket;

\t on
select 'Using percent_rank().';
select
  bucket,
  n,
  to_char(min_s, '990.99999') as min_s,
  to_char(max_s, '990.99999') as max_s
from results
where method = 'percent_rank'
order by bucket;

select 'Using cume_dist().';
select
  bucket,
  n,
  to_char(min_s, '990.99999') as min_s,
  to_char(max_s, '990.99999') as max_s
from results
where method = 'cume_dist'
order by bucket;
\t off