diff --git a/mod/quiz/report/statistics/report.php b/mod/quiz/report/statistics/report.php index c2e431ba641..ab134da357f 100644 --- a/mod/quiz/report/statistics/report.php +++ b/mod/quiz/report/statistics/report.php @@ -668,7 +668,7 @@ class quiz_statistics_report extends quiz_default_report { $firstattempts = new stdClass(); $firstattempts->countrecs = 0; $firstattempts->total = 0; - $firstattempts->average = '-'; + $firstattempts->average = null; } $allattempts = new stdClass();