http://mathforum.org/kb List of forum topics en http://mathforum.org/kb/thread.jspa?messageID=7927194&tstart=0#7927194 Nov 23, 2012 1:26:37 PM Nov 23, 2012 1:26:37 PM ncdave4life 0 http://mathforum.org/kb/thread.jspa?messageID=1528822&tstart=0#1528822
On Tue, 5 Oct 1999, Henry wrote:
> On Mon, 04 Oct 1999 21:35:27 GMT, se16@btinternet.com (Henry)]]> Oct 7, 1999 6:52:37 AM Oct 7, 1999 6:52:37 AM clark@uwinnipeg.ca 0 http://mathforum.org/kb/thread.jspa?messageID=1528821&tstart=0#1528821
>On Mon, 4 Oct 1999 14:29:17 -0600, "Steve]]> Oct 5, 1999 6:02:23 PM Oct 5, 1999 6:02:23 PM se16@btinternet.com 1 http://mathforum.org/kb/thread.jspa?messageID=1528824&tstart=0#1528824 > If one has several subsets of a given data set, and the mean,]]> Oct 4, 1999 11:06:22 PM Oct 4, 1999 11:06:22 PM jerry@mint.hnrc.tufts.edu 0 http://mathforum.org/kb/thread.jspa?messageID=1528823&tstart=0#1528823
You can calculate both the mean of the standard deviations from the sets to
find the mean standard deviation.
If you have]]> Oct 4, 1999 5:53:02 PM Oct 4, 1999 5:53:02 PM prlf@globalnet.co.uk 0 http://mathforum.org/kb/thread.jspa?messageID=1528820&tstart=0#1528820 <sschnick@yahoo.com> wrote:
>If one has several subsets of a]]> Oct 4, 1999 5:35:27 PM Oct 4, 1999 5:35:27 PM se16@btinternet.com 2 http://mathforum.org/kb/thread.jspa?messageID=1528819&tstart=0#1528819 and standard deviations for each of these subsets, how can one
calculate]]> Oct 4, 1999 4:29:17 PM Oct 4, 1999 4:29:17 PM sschnick@yahoo.com 6