Mathematics for IGCSE & O level - Statistical Diagrams (Section 5 - No. 12)
What does the upper quartile represent?
The average value.
The value below which 25% of the data falls.
The value below which 75% of the data falls.
The most frequent value.
Explication
The upper quartile is the 75th percentile, hence represents the value below which 75% of the data lies.