Confidence intervals for a mean
Interval endpoints, sample size and interpretation.
Loading personal best…Year 12 · Mathematical Methods
Sampling and confidence intervals
Choose a subtopic to practise.
Subtopics
Sample proportions
Sampling variation, standard errors and model conditions.
Loading personal best…Confidence intervals for a proportion
Construct intervals, estimate sample size and assess claims.
Loading personal best…Sampling and Confidence Intervals · Topic Review
Four linked problems drawn from this topic’s subtopics. 12 parts · untimed · answers and worked solutions at the end.
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