Relative Frequency (Edexcel GCSE Maths): Flashcards
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Definition of relative frequency
Definition of relative frequency
A statistical method to estimate probability of events based on experimental data
Formula for relative frequency
Formula for relative frequency
Range of relative frequency values
Range of relative frequency values
Between 0 and 1
What is frequency in experiments?
What is frequency in experiments?
Count of how often each outcome occurs
Purpose of relative frequency
Purpose of relative frequency
Estimate probability of future events
How to detect bias using relative frequency
How to detect bias using relative frequency
Compare experimental results to theoretical expectations
Expected relative frequency for fair dice (each number)
Expected relative frequency for fair dice (each number)
Roughly or approximately 0.17
Law of Large Numbers (relative frequency context)
Law of Large Numbers (relative frequency context)
Relative frequencies approach true probabilities with more trials
Effect of larger sample sizes on estimates
Effect of larger sample sizes on estimates
More reliable and accurate probability estimates
What does relative frequency of 0 mean?
What does relative frequency of 0 mean?
Event never occurred in trials
What does relative frequency of 1 mean?
What does relative frequency of 1 mean?
Event occurred in every trial