I agree, this test is immensely unreliable but not only because of the intelligence score (DK, why not answer all the questions people ask as to why you have an IQ score that is non-existent on the offical scale?).
Personally I find the Charisma and Wisdom scores just as inaccurate. It takes no Charisma at all to have a couple of friends (say, five). You can make friends in all kinds of ways, and sometimes the less "socially agile" people flock together at school and become friends out of need. Almost all questions measure Ego more than Charisma.

How attractive you consider yourself is something others might disagree with. [img]tongue.gif[/img]
The test awards way too high scores anyway, not many people have 17 charisma without being some kind of star. Like MagiK said, a scoreof 9 is average!!!
As for wisdom, it doesn't measure anything like life experience. So what if someone is control-freakish enough never to lose keys or paperwork? It has little to do with the AD&D definition of that stat. I don't think Wisdom is even measurable at all. Again, too high scores are assigned.
Anyway, I'll post my own stats then...
Str: 10 (I just picked a random number, I think it's too high)
Int: 13 (completely unreliable as Vaskez said)
Wis: 18 (Ha ha haaaa!)
Dex: 10 (possible)
Con: 11 (possible)
Chr: 14 (too high)