Analyse Data (HSC SSCE Mathematics Advanced): Flashcards
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10 cards from this deck
Relative frequency definition
Relative frequency definition
Proportion of times an outcome occurs in dataset
Relative frequency formula
Relative frequency formula
rac{ ext{Frequency}}{ ext{Total frequency}}
Range of relative frequency
Range of relative frequency
Between 0 and 1
Effect of larger samples
Effect of larger samples
More reliable probability estimates
Meaning of symbol
Meaning of symbol
Approximately equal to
Predicting for larger populations
Predicting for larger populations
Multiply estimated probability by new population size
'Part over whole' concept for relative frequency
'Part over whole' concept for relative frequency
What portion of total data is this specific outcome
Estimate using
Estimate using
rac{ ext{frequency of } x}{ ext{total frequency}}
Visualising relative frequency distributions
Visualising relative frequency distributions
Histograms
Why bigger samples = better estimates
Why bigger samples = better estimates
Gets closer to true probability