Mastering Relative Frequency
Mathematics
Year 9
1 questions
~2 mins
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About This Worksheet
A worksheet covering Relative Frequency for Year 9 students.
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Mastering Relative Frequency
Subject: MathematicsGrade: Year 9
Name:
Date:
Untitled Worksheet
Grade Year 9
A
Introduction
Read the brief explanation below.
1.
Relative frequency of an event is the fraction or percentage of times the event occurs in a data set. It is calculated by dividing the number of times the event occurs by the total number of observations.
[3 marks]B
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
In a survey of 50 students, 15 prefer basketball. What is the relative frequency of students who prefer basketball?
[2 marks]2.
A die is rolled 120 times, and the number 4 appears 20 times. Calculate the relative frequency of rolling a 4.
[2 marks]3.
In a bag of 60 marbles, 15 are red. Find the relative frequency of selecting a red marble.
[2 marks]4.
A survey reports that 40 out of 200 people like tea. What is the relative frequency as a decimal?
[2 marks]5.
If 18 students out of 90 chose mathematics as their favorite subject, what is the relative frequency?
[2 marks]6.
A survey shows that 72 out of 180 people prefer football. Find the relative frequency.
[2 marks]7.
A class of 30 students took a test. 6 students scored above 80. What is the relative frequency of students scoring above 80?
[2 marks]8.
In a poll, 120 out of 600 people preferred vanilla ice cream. Calculate the relative frequency.
[2 marks]9.
A coin is flipped 500 times, and heads appear 260 times. Find the relative frequency of heads.
[2 marks]10.
A factory produces 10,000 items, of which 150 are defective. What is the relative frequency of defective items?
[2 marks]11.
A student recorded the number of books read per month over a year. In total, 120 books were read. If 15 books were read in January, what was the relative frequency of books read in January?
[2 marks]12.
Challenge: A survey of 200 people shows that 50 prefer coffee over tea. What is the relative frequency as a percentage?
[3 marks]Quick Actions
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Details
- Created
- 12/30/2025
- Updated
- 12/30/2025
- Type
- worksheet