Mathematics · University
Intervals, tests and uncertainty · revision notes
A value computed from sample data to approximate a population quantity.
Key ideas and conditions
Estimate
A value computed from sample data to approximate a population quantity.
Confidence interval
A range produced by a method designed to capture a population parameter at a stated long-run rate under assumptions.
Null hypothesis
A specified reference claim used in a significance test.
P-value
A probability, under the null model, of data at least as incompatible with that model as the observed result by the test statistic.
Explain without looking
- Give a short example showing how Null hypothesis would be used in practice.
- Summarize why P-value matters in the lesson “Intervals, tests and uncertainty”.
Further reading and review references
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