Samples and populations · Uncertainty
Confidence Intervals
What does 95% confidence look like over repeated samples?
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The big picture: Confidence Intervals
What does 95% confidence look like over repeated samples?
Why a policy analyst should care
A confidence interval communicates both the estimated magnitude and the precision supplied by the design, making it more informative than a point estimate alone.
Follow the idea from the opening question to a practical decision. These are the conceptual moves this module will develop:
1 Question What does 95% confidence mean?
2 Explore Watch repeated intervals
3 Formalize Estimate plus and minus uncertainty
4 Transfer Correct a probability claim
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