Index: trunk/psLib/src/fits/psFitsScale.c
===================================================================
--- trunk/psLib/src/fits/psFitsScale.c	(revision 37050)
+++ trunk/psLib/src/fits/psFitsScale.c	(revision 39509)
@@ -28,6 +28,13 @@
 
 
-#define MEAN_STAT PS_STAT_ROBUST_MEDIAN // Statistic to use for mean
-#define STDEV_STAT PS_STAT_ROBUST_STDEV // Statistic to use for stdev
+// EAM 20160328 : I think ROBUST_MEDIAN & ROBUST_STDEV are too frequently wrong to use.  
+// SAMPLE_MEDIAN and SAMPLE_QUARTILE are probably safer in general.  possible downsize: 
+// sample_median may be slow (does a sort)
+
+//#define MEAN_STAT PS_STAT_ROBUST_MEDIAN // Statistic to use for mean
+//#define STDEV_STAT PS_STAT_ROBUST_STDEV // Statistic to use for stdev
+
+#define MEAN_STAT PS_STAT_SAMPLE_MEDIAN // Statistic to use for mean
+#define STDEV_STAT PS_STAT_SAMPLE_QUARTILE // Statistic to use for stdev
 
 #define DESPERATE_MEAN_STAT PS_STAT_SAMPLE_MEDIAN // Statistic to use for mean when deperate
