QUESTION 2
Easy
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).
SOLUTION
The number of students who like football is the frequency.
\(Frequency = 15\)
Relative frequency \(= \frac{Number\,of\,students\,who\,like\,football}{Total\,students} = \frac{15}{50} = \frac{3}{10} = 0.3\)
\(Frequency = 15\)
Relative frequency \(= \frac{Number\,of\,students\,who\,like\,football}{Total\,students} = \frac{15}{50} = \frac{3}{10} = 0.3\)
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Final Answer :
Frequency = 15
Relative frequency = \(frac{3}{10}\) or 0.3
Concept Note
The frequency of an event tells us how many times the event occurs.
The relative frequency compares the frequency to the total number of observations. It is often written as a fraction, decimal or percentage.