Re: ANALYZE sampling is too good - Mailing list pgsql-hackers

From Albe Laurenz
Subject Re: ANALYZE sampling is too good
Date
Msg-id A737B7A37273E048B164557ADEF4A58B17C7E09B@ntex2010i.host.magwien.gv.at
Whole thread Raw
In response to Re: ANALYZE sampling is too good  (Greg Stark <stark@mit.edu>)
List pgsql-hackers
Greg Stark wrote:
>> Doesn't all that assume a normally distributed random variable?

> I don't think so because of the law of large numbers. If you have a large population and sample it the
> sample behaves like a normal distribution when if the distribution of the population isn't.

Statistics is the part of mathematics I know least of, but aren't
you saying that in a large enough sample of people there will
always be some with age < 0 (which is what a normal distribution
would imply)?

Yours,
Laurenz Albe

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