If that is a screenshot of the experiment you were running, you just wasted $70. None of those differences is statistically better than the other one.
If you got benefit out of being #2 on HN, good for you, just say so.
If you got benefit out of being #2 on HN, good for you, just say so.
Also there were a lot of other titles with far lower results than are visible in those screenshots.
I have also done this for years (not for titles on HN though -- good one), it's just that isn't enough data to really tell.