From: Robert  Morein 
Newsgroups: misc.consumers misc.consumers.house alt.home.repair sci.engr.heat-vent-ac
Subject: Re: Cool Me Down
Date: Mon, 13 Sep 2004 12:03:36 -0700

In article ,
 ~^Johnny^~  wrote:

> On Sun, 12 Sep 2004 21:08:41 -0700, Robert  Morein
>  wrote:
> 
> >In article ,
> > nicksanspam@ece.villanova.edu wrote:
> >
> >> Sir TURTLE  wrote:
> >>  
> >> >>>Here is one for you. 5%RH or there about and 90ºF = pretty cool.
> >> >>>What do you think...
> >> >>
> >> >> I'd say hot. So would ASHRAE, (Y = 1.79, with 67% of people 
> >> >> dissatisfied,
> >> >> vs Y = 0, with 6% dissatisfied), based on 21,000 people around the 
> >> >> world,
> >> >> who'd prefer adding some moisture to reduce the air temp, which might 
> >> >> come
> >> >> from a swimming pool :-)
> >> >>
> >> >> Imagine yourself in a 90 F office, in a dry shirt...
> >> 
> >> >Still you living out of a book and do not understand the part %RH plays
> >> >in the comfort levels.
> >> 
> >> I understand thoroughly, my good man. In this case, I'm afraid you are
> >> the one lacking average empirical understanding, and an understanding
> >> of the way surveys work.
> >> 
> >> >I would have 90ºF and a 10%RH in my home before I would have 60ºF
> >> >with a 100%RH.
> >> 
> >> OK. Everyone's tastes are different. There's nothing wrong with your
> >> misunderstanding average human behavior. It's a matter of surveys and
> >> preferences, vs absolute science. But you must admit facts. It's hard
> >> to deny the average tastes of 21,000 people around the world :-) 
> >> 
> >> Nick
> >> 
> >
> >Do those 21,000 people from around the world reflect your tastes?
> 
> Here is where statistics fail.
> 
> which 21,000 people?
> 
> Is the target random and unbiased?
> It is not!
> 
> Only paramaters will do.  
> Statistics are, statistically,  on a bias.  
> Their results are slanted.  They can err on many facets (sides,  if you 
> will).
> 
> On some days,  I can be quite comfortable at 90 deg F and 70% RH,   yet on
> other days,  I am sweltering 83 deg F and 60% RH or lower, AT THE SAME
> ACTIVITY LEVEL!  It naturally follows that sometimes I am ectstatic at 40 F
> and 90 to 95% RH,  while other times 50 deg F at 50% RH is too cold for me.  
> 
> IOW,  your mood,  health,  etc  also comes into play.
> Statistics just don't cut it.  
> 
> This is why the comfort zones are based partly on parametric data,  as 
> opposed
> to purely statistical data.  
> 
> I think Nick is right.  Your mileage may vary.
> 
> 
> 
> 
> 
> --
>   -john
>             wide-open at throttle dot info
> 
> ~~~~~~~~
>  The time to repair the roof is when the sun is shining
>          - JFK
> ~~~~~~~~





I love nicks answers, I can't imagine what goes thru his mind when he 
posts a page of figures to reach a point. But the question is valid: Do 
those 21,000 people from around the world reflect nicks tastes?