Add note about using Statistics in docs. (#32897)

logankilpatrick · fredrikekre · commit 95376f7e6a84 · 2019-08-19T08:07:45.000+02:00
diff --git a/stdlib/Statistics/docs/src/index.md b/stdlib/Statistics/docs/src/index.md
@@ -2,6 +2,9 @@
 
 The Statistics module contains basic statistics functionality.
 
+!!! note
+    To use any of the examples described below, run `using Statistics` and then the code from the example.
+
 ```@docs
 Statistics.std
 Statistics.stdm
