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The cumulative frequency curve represents the ages of ages of students in a school. What...

Mathematics
JAMB 2000

The cumulative frequency curve represents the ages of ages of students in a school. What age group do 70% of the students belongs?

  • A. 17.5 - 20.5
  • B. 16.5 - 19.5
  • C. 15.5 - 19.5
  • D. 15.5 - 18.5
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Correct Answer: Option A
Explanation

If the total number of students represents 100%, then 70% corresponds to the point on the graph where the cumulative frequency reaches 70

From the graph, find where the cumulative frequency line intersects the 70% mark. This typically corresponds to a specific age on the X-axis

 

There is an explanation video available below.


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Explanation Video

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