Confidence interval: An interval of plausible values for a parameter, computed as point estimate plus or minus margin of error.
How to apply it: Interpret: We are C% confident that the interval captures the true parameter value.
Course: AP Statistics · Unit: Inference for Categorical Data: Proportions
Practice questions about Confidence interval on AimFive — get rubric-based feedback showing exactly which points you earned.
AP and Advanced Placement are trademarks of College Board. AimFive is not affiliated with or endorsed by College Board.