2011-05-31  Andreas J. Guelzow <aguelzow@pyrshep.ca>

	* analysis-statistical.xml: add brief documentation of
	sign test and Wilcoxon signed rank test
	* figures/analysistools-signtest-ex1.png: new
	* figures/analysistools-signtest-ex2.png: new
	* figures/analysistools-signtest-ex3.png: new
	* figures/analysistools-signtest.png: new
	* figures/Makefile.am: add the above image files

2011-05-31  Andreas J. Guelzow <aguelzow@pyrshep.ca>

	* gnumeric-expr-entry.c (gee_check_tooltip): don't show tooltips in
	"3e" and similar cases.

2011-05-31  Andreas J. Guelzow <aguelzow@pyrshep.ca>

	* help.h (GNUMERIC_HELP_LINK_SIGN_TEST): use "one-median-tool" since
	the dialog is for various tests