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]] > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. David Winsemius Alameda, CA, USA ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.