As you have seen, graded questions and question choices can be assigned a point value in the question editor. When the learner submits a question, the point value is adjusted.
If you want to show learners how they have performed on any combination of questions, you can do that by inserting a result slide into the story. You need to identify which questions you want to use for calculating the results and then insert the result slide anywhere in the course. You can insert more than one result slide in a course.
You can insert a result slide by following these steps: