Yup, found it:
select 1000 * (select count() from Posts where PostTypeId = 1 and AnswerCount = 0) / (select count() from Posts where PostTypeId = 1);
https://data.stackexchange.com/stackoverflow/query/new
=> 132 for me.
so 132 answers for 1000 questions, on average.
You're looking at popular questions, that have a ton of answers. But the long tail is huge and most of those questions have 0/1 answers, most likely 0.
Yup, found it:
select 1000 * (select count() from Posts where PostTypeId = 1 and AnswerCount = 0) / (select count() from Posts where PostTypeId = 1);
https://data.stackexchange.com/stackoverflow/query/new
=> 132 for me.
so 132 answers for 1000 questions, on average.
You're looking at popular questions, that have a ton of answers. But the long tail is huge and most of those questions have 0/1 answers, most likely 0.