Q. A feature F1 can take certain value: A, B, C, D, E & F and represents grade of students from a college. Which of the following statement is true in following case?

• (A) Feature F1 is an example of nominal variable.
• (B) Feature F1 is an example of ordinal variable.
• (C) It doesn't belong to any of the above category.
• (D) Both of these