Explore the skills · QCAA
Statistical inference
Revise statistical inference for the QCAA Specialist Mathematics external assessment.
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Statistical inference
- Interpret the sample mean as a random variableRevision skill
- Use the sampling distribution of the sample meanRevision skill
- Apply the central limit theorem to sample meansRevision skill
- Model probabilities involving sample meansRevision skill
- Calculate and interpret confidence intervals for meansRevision skill
- Calculate and interpret margin of errorRevision skill
- Relate confidence, sample size, margin of error and interval variabilityRevision skill
- Distinguish population-value intervals from confidence intervals for a meanRevision skill