7 ms·
A sample size of 31 is not necessarily invalid. See http://www.isixsigma.com/library/content/c000709a.asp#small http://www.isixsigma.com/library/content/c000709
by restruct 17y ago
A sample size of 31 is not necessarily invalid. See http://www.isixsigma.com/library/content/c000709a.asp#small http://www.isixsigma.com/library/content/c000709a.asp#small