Search SchoolNGR

Monday, 29 June 2026
Register . Login

In which group is the upper quartile?

Age in years 10 - 14 15 - 19 20 - 24 25 - 29 30 - 34
Frequency 6 8 14 10 12


In which group is the upper quartile?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A 15 - 19
  • B 20 - 24
  • C 25 - 29
  • D 30 - 34
Correct Answer: Option C
Explanation:
The upper quartile occurs at the \(\frac{3N}{4}\) position.

= \(\frac{3 \times 50}{4} = 37.5\)

This occurs in the class 25 - 29.

Share question on: