Understanding Confidence Intervals and Related Concepts

Your guide to statistical analysis and data-driven decision-making.

4. What Happens to the Length of the Interval if the Confidence Level Decreases?

Decreasing the confidence level (e.g., from 99% to 90%) results in a narrower confidence interval. This occurs because a lower confidence level means there’s a smaller range of values we are "sure" the true parameter lies within.

Interval Length Graph> Interval Length Chart> Interval Length Example

For more detailed information, visit this external article.

For more detailed information, visit this external article.

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