informal inference
What informal inference means in Mathematics A-Level, as defined for AQA, WJEC.
Definitions of informal inference
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Reference: WJEC
Examining sample characteristics and making reasoned deductions about the wider population while acknowledging the presence of sampling uncertainty.
A cautious conclusion about a population drawn from sample evidence without formal hypothesis testing.
Topics that use informal inference
- K: Statistical sampling (AQA A-Level)
- Statistical Sampling (AS Unit 2: Applied Mathematics A) (WJEC A-Level)
Related terms
- Opportunity sampling
- Population
- Sample
- sampling frame
- Simple random sampling
- methodological evaluation
- Parameter
- parameter estimation
Using informal inference in the exam
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