Can I set average views per day?

Average views of what?

Of the site, you can simply look at the visit/visitor stats.

Of a page, you can get the visit stats through the Statistics->Pages menu or through the WP Pages/Posts UI.

Can you display the counter next to each post for everyone to see?

@maxbyer Please don’t hijack other people’s threads to ask unrelated questions, see the other thread you started for this answer.

Sorry