III. Classify the type o data that can be obtained from the following as NOMINAL, ORDINAL, INTERVAL or RADIO.

16. Length of time to compete an exam
17. Civil status of an employee
18. Time of first class
19. Seriousness of his illness
20. Score on the last exams
21. Grades in math
22. Types of personality
23. Nationality of a person
24. Dialect being used
25. Color classification​