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Relative Frequency


Here we have a collection of videos to help GCSE Maths students learn about relative frequency and probabilty.

Relative frequency is the number of times something happens divided by the number of total outcomes. We can use relative frequency to estimate probability.

Related Topics;
More GCSE Maths Lessons

More Probability Lessons

Probability Worksheets

Probability Games

GCSE Module 1 Topic 07
Relative Frequency
An ordinary 6-sided dice is repeatedly thrown 10 times. The number of sixes are counted for each set of ten throws.
a) Complete the relative frequency table
b) Complete the relative frequency graph
c) Does the results suggest that the dice is biased towards the number six?

Relative Frequency and experimental probability (GCSE Maths)

Relative frequency
A dice is suspected of bias. Here are the results of 20 throw.
a) Use the results to calculate the relative frequency of each score.
b) Use the relative frequency to calculate how many times you would expect to score 3 in 60 throws of the die.
c) Compare your answer to part b) with the number you would expect 3 in 60 throws of a fair dice.

Relative Frequency Probability
There are three ways to make a probability statement.
1) Theoretical Probability
2) Experimental Probability (relative frequency probability)
3) Subjective Probability
Consider the frequency distribution for a sampke of patients in an orthopedic clinic.
Chance experiment: A receptionist notes the height of the next person that enters the clinic.
Let E be the event of observing a patient in the 5'6" ≤ h ≤ 6'0" height interval.
What is P(E)?

Relative Frequency
How to work out relative frequency?

Relative Frequency and Probability
Explore the relationship between Relative Frequency and Probability.

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