What scenarios is the exam statistics function applicable to?

Applicable to the following three types of scenarios:

1. Through score range statistics, it is possible to determine the general level of all students.

2. Through objective question analysis, it can be seen which questions have a high error rate and which knowledge points students generally have not mastered yet, and intensive tutoring is required in the courses.

3. Through grade ranking, it is possible to identify which students have excellent performance and which ones perform poorly. Targeted tutoring is needed, or they can be recommended to take certain courses.