Fix inconsistent return types of quantile etc.
#1326
| Job | Run time |
|---|---|
| 2m 43s | |
| 12m 6s | |
| 13m 35s | |
| 24m 1s | |
| 52m 25s |
quantile etc.
#1326
| Job | Run time |
|---|---|
| 2m 43s | |
| 12m 6s | |
| 13m 35s | |
| 24m 1s | |
| 52m 25s |