For item numbers 28-30. Mrs. Castro is the School Head of Makabayan High school, instructed her Math coordinator to record the proficiency of the students in math subject. Below is the data Proficiency Level 95 and above Frequency 7 90-94 60 85-89 139 80-84 163 75-79 121 74 and below 10 28. What is the total frequency? A. 95 B. 100 C. 163 29. What is the lower boundary of the lower quartile? A. 74.5 B. 79.5 C. 84.5 D. 500 D. 89.5
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Answer:
28. D
29
30 still solving I'll just comment the answer
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