lib/genevalidator/ext/array.rb in genevalidator-1.6.5 vs lib/genevalidator/ext/array.rb in genevalidator-1.6.6

@@ -32,6 +32,10 @@
   end
 end
 
 class Array
   include GeneValidator::ExtraArrayMethods
+
+  def mean
+    inject(:+).to_f / length
+  end
 end