For numbers 16 – 20, refer to the set of raw data below on the Scores of Students in a Mathematics Test.



22 19 16 25 9 21 18 20 14 14

7 15 14 18 24 20 12 18 17 23

23 16 14 22 7 17 21 17 10 14



16. Determine the range of the set of data.

A. 14 B. 16 C. 18 D. 20

17. What is the lower limit of the lowest class interval?

A. 7 B. 8 C. 9 D. 10


18. Which of the following is the number of class intervals?

A. 7 B. 8 C. 9 D. 10


19. What is the total frequency?

A. 25 B. 30 C. 35 D. 40


20. What is the class size of the set of data?

A. 3 B. 4 C. 5 D. 6

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