Downvotes are already excluded.
Problem with "average" or mean is that on a small sample (like here with only 7 votes in 24 hours), one big value influences the mean deeply.
In your case, it's the vote on https://steemit.com/introduceyourself/@fr-ida/introduce-myself that makes the mean so high (you upvoted 24 hours after post creation)
Downvotes are already excluded.
Problem with "average" or mean is that on a small sample (like here with only 7 votes in 24 hours), one big value influences the mean deeply.
In your case, it's the vote on https://steemit.com/introduceyourself/@fr-ida/introduce-myself that makes the mean so high (you upvoted 24 hours after post creation)
.