--- loncom/interface/statistics/lonstudentassessment.pm	2003/03/07 18:46:38	1.40
+++ loncom/interface/statistics/lonstudentassessment.pm	2003/03/27 19:22:31	1.44
@@ -1,6 +1,6 @@
 # The LearningOnline Network with CAPA
 #
-# $Id: lonstudentassessment.pm,v 1.40 2003/03/07 18:46:38 matthew Exp $
+# $Id: lonstudentassessment.pm,v 1.44 2003/03/27 19:22:31 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -224,7 +224,7 @@ sub CreateInterface {
     $Str .= '<tr>';
     $Str .= '<td align="center"><b>Sections</b></td>';
     $Str .= '<td align="center"><b>Student Data</b></td>';
-    $Str .= '<td align="center"><b>Problem Sets</b></td>';
+    $Str .= '<td align="center"><b>Sequences and Folders</b></td>';
     $Str .= '<td align="center"><b>Output Format</b></td>';
     $Str .= '</tr>'."\n";
     #
@@ -381,7 +381,7 @@ sub OutputDescriptions {
 
 sub CreateAndParseOutputSelector {
     my $Str = '';
-    my $elementname = 'outputmode';
+    my $elementname = 'chartoutputmode';
     #
     # Format for output options is 'mode, restrictions';
     my $selected = 'html, with links';
@@ -596,8 +596,13 @@ sub StudentAverageTotal {
     $Str .= '<table border=2 cellspacing="1">'."\n";
     $Str .= "<tr><th>Title</th><th>Average</th><th>Maximum</th></tr>\n";
     foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
-        my $ave = int(100*($Statistics->{$seq->{'symb'}}->{'score'}/
-            ($num_students-$nodata_count)))/100;
+        my $ave;
+        if ($num_students > $nodata_count) {
+            $ave = int(100*($Statistics->{$seq->{'symb'}}->{'score'}/
+                            ($num_students-$nodata_count)))/100;
+        } else {
+            $ave = 0;
+        }
         $total_ave += $ave;
         my $max = $seq->{'num_assess_parts'};
         $total_max += $max;
@@ -1121,6 +1126,9 @@ sub StudentPerformanceOnSequence {
                         $symbol = ' ';
                     }
                     $sum++;
+                } elsif (exists($resource_data->{'resource.'.
+                                                     $partnum.'.tries'})){
+                    $symbol = '.';
                 } else {
                     $symbol = ' ';
                 }