Observe the table:
Find the range, subtract the least score from the greatest score.
.
Option (B) is right choice.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=fb4dad274999622cf770b837cc605bde.png\")
.![\"\"](\"/userfiles/image/steps_images/solution.JPG\")