[lit-ideas] Re: Calling all women and someone who understands statistics
- From: Judy Evans <judithevans001@xxxxxxxxxxxxxx>
- To: lit-ideas@xxxxxxxxxxxxx
- Date: Thu, 6 Oct 2005 19:55:50 +0100
Thursday, October 6, 2005, 7:43:56 PM, Andreas Ramos wrote:
AR> Calling all women and someone who understands statistics? Does this imply
the "someone"
AR> isn't a woman?
Damn -- I didn't notice that! (or I wouldn't have replied)
AR> What the hell. I'll answer.
AR> The size of the population (the sample size in your study)
AR> determines the confidence of your
AR> results. The larger the population, the more reliable that your results
will be.
The larger the sample as a percentage of the population, the better.
("Population" = "universe sampled", sample = "subset of that
universe". Unless the terminology's changed.)
AR>bla bla etc.
AR>10,000 events will produce results with a 1% margin of error.
AR>So, in the study with 10,000 people, the results are very reliable. The
vaccine works.
I bet you believe opinion polls too...
(I agree: the vaccine works.)
--
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