This was a glitch with the way Moodle stores/encodes the answers: not the actual text but the index. Thus changing the order once the quiz was proposed changed the displayed text, but not the actual index :-(
In the actual quizz we manually fixed the points and added an comment : "KNN is indeed non-parametric (glitch in question encoding)". We will *not* do it for the copy quizzes ;-)
In the actual quizz we manually fixed the points and added an comment : "KNN is indeed non-parametric (glitch in question encoding)". We will *not* do it for the copy quizzes ;-)