The correct term is relative frequency and its value is 15 / 50 = 3 / 10 = 0.3. While 15 is the absolute count (frequency), dividing by the total 50 students gives the relative frequency.
In a survey of 50 students, 15 students said they liked football. The number of students who like football is 15 and the _______ (frequency/relative frequency) is _______ (fill in the fraction or decimal).
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The blank for the concept is filled by ‘relative frequency’.
The blank for the value is filled by ’15/50′ (or ‘3/10’ or ‘0.3’).
Reason: The count 15 represents the frequency (the actual number of times students chose football). The ratio of this frequency to the total sample size of 50 students defines the relative frequency:
Relative frequency = 15 / 50 = 3 / 10 = 0.3 (or 30%).
For more NCERT Solutions of Class 9 Ganita Manjari Chapter 7 The Mathematics of Maybe: Introduction to Probability Question Answer (2026-27)
https://www.tiwariacademy.com/ncert-solutions/class-9/maths/ganita-manjari-chapter-7/