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

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
Correct Answer: Option A
Explanation

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