...rg/olat/core/gui/components/chart/DefaultD3Component.java

...g/olat/core/gui/components/chart/StatisticsComponent.java

src/main/java/org/olat/ims/qti21/AssessmentTestSession.java

...rg/olat/ims/qti21/manager/QTI21StatisticsManagerImpl.java

...ain/java/org/olat/ims/qti21/manager/ResponseFormater.java

...rg/olat/ims/qti21/ui/AssessmentTestDisplayController.java

...i/statistics/QTI21AssessmentItemStatisticsController.java

...i/statistics/QTI21AssessmentTestStatisticsController.java

...ims/qti21/ui/statistics/QTI21StatisticResourceResult.java

.../java/org/olat/ims/qti21/ui/statistics/SeriesFactory.java

...lat/ims/qti21/ui/statistics/_content/statistics_item.html

.../ims/qti21/ui/statistics/_i18n/LocalStrings_de.properties

src/main/webapp/static/js/d3/README

src/main/webapp/static/js/d3/d3.js

src/main/webapp/static/js/d3/d3.min.js

src/main/webapp/static/js/d3/d3.v3.min.js

...bapp/static/js/jquery/openolat/jquery.statistics.chart.js