What I Know
Directions: Find out how much you already know about the topics in this module. Choose the
letter of the correct answer and write your answers on a separate sheet of paper. Take note
of the items that you were not able to answer correctly and find the right answer as you go
through this module.
1. It refers to the difference of the highest score and the lowest score.
A. classes B. class interval
C. frequency
2. Find the range of the scores of top 10 qualifiers for a scholarship:
90,89,93,91,92,96,94,93,97,96
A. 6
B. 7
C. 8
D. range
D.9
3. It refers to the middle value of each class.
A. class boundaries
C. class mark
B. class limits
D. cumulative frequency

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