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GCSE Maths

Probability

Relative Frequency

Relative Frequency

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Level 4–5
Foundation & Higher
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Key Points 

  • Relative frequency is an estimate of probability based on experimental results.

  • Relative frequency = Number of successful outcomes ÷ Total number of trials.

  • The more trials completed, the more reliable the estimate becomes.

  • Relative frequency can be written as a fraction, decimal or percentage.

  • Compare experimental probability with theoretical probability.


Keywords: relative frequency, experimental probability, probability estimate, trials, GCSE probability.

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