rw wrote:
There are at most two dozen or so regular posters. Who knows how many
lurkers or occasional posters? Well, now I have a greatest-lower-bound
approximation for this.

The standard Usenet approximation is 10:1 total readers to
regular posters. So if your two dozen regular posters is
accurate the best guess would be about 240 total readers.

I'm proposing an experiment to get better data. ...

Uh oh, not again. Your "experiments" tend to generate more
heat than data. What was it, hauling loads the rod ? ;-)

--
Ken Fortenberry