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GCSE Statistics · key term
A single possible result of a trial.
Used by Edexcel
Specification 3p.01, 3p.02, 3p.07 · Paper 1, Paper 2
Revise: Estimating probabilities from collected dataSometimes we cannot work out its exact value from the possible outcomes, so we use collected data instead. For example, to estimate the probability that a chicken egg has two yolks, we could examine a sample of eggs and record how many have two yolks.
A single possible result of a trial, such as rolling a 6 on a die.
Use the total number of trials as the denominator, not the number of different possible outcomes.
If an event includes several outcomes, add their frequencies before dividing by the total.
Count outcomes only when they are equally likely. Different totals on two dice are not equally likely.
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A possible result of a random experiment, such as HT when two coins are tossed in order.