[R] R-intro question

[David Winsemius]

On Dec 12, 2014, at 12:00 PM, Александр Гехсбарг wrote:

> Dear Sir/Madam,
> 
> While reading R-intro document (found here
> http://cran.r-project.org/doc/manuals/R-intro.pdf) on the page 37, I have
> found such text
> 
> *which does indicate a significant difference, assuming normality*
> 
> referenced to t-test for equality of two means (unpaired t-test).
> 
> Could, you, please, comment, what type of "normality" is meant in the text?

The usual normality that is often spelled with a capital-N:

http://en.wikipedia.org/wiki/Normal_distribution


> 
> Thank you in advance,
> Aleksandrs Gehsbargs
> 
> 	[[alternative HTML version deleted]]
> 
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David Winsemius
Alameda, CA, USA