Merge branch 'MDL-30758_21' of git://github.com/timhunt/moodle into M…

…OODLE_21_STABLE
moodle · Dec 18, 2011 · d854866 · d854866
2 parents a529dd8 + 83dd037
commit d854866
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/mod/quiz/report/statistics/report.php b/mod/quiz/report/statistics/report.php
@@ -667,7 +667,7 @@ protected function compute_stats($quizid, $currentgroup, $nostudentsingroup,
             $firstattempts = new stdClass();
             $firstattempts->countrecs = 0;
             $firstattempts->total = 0;
-            $firstattempts->average = '-';
+            $firstattempts->average = null;
         }
 
         $allattempts = new stdClass();