diff -r 3ca8a56955fc Lib/statistics.py
--- a/Lib/statistics.py	Tue Oct 27 03:38:31 2015 -0400
+++ b/Lib/statistics.py	Wed Oct 28 08:34:01 2015 +1100
@@ -360,7 +360,7 @@
 
 
 def median_grouped(data, interval=1):
-    """"Return the 50th percentile (median) of grouped continuous data.
+    """Return the 50th percentile (median) of grouped continuous data.
 
     >>> median_grouped([1, 2, 2, 3, 4, 4, 4, 4, 4, 5])
     3.7