Archived App (Last seen on 16 May 2026)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
This educational app visualizes confidence intervals in statistics. Users can adjust the confidence level and choose between one-tailed or two-tailed intervals. It allows for customization of the mean and standard deviation for the Normal distribution.
What's New in Quick Confidence Interval
2.8
November 22, 2023
- Compiled with Xcode 15 - Minor GUI change
Developer apps
FAQ
What is Quick Confidence Interval used for?
Quick Confidence Interval is an educational tool designed to help users understand and visualize confidence intervals in statistics. It allows for the calculation and graphical representation of these intervals based on user-defined parameters.
How does Quick Confidence Interval help with learning statistics?
The app aids learning by providing an interactive way to explore how changing the confidence level or distribution parameters affects the confidence interval. This visual feedback can deepen understanding of statistical concepts.
Can I use Quick Confidence Interval offline?
As a paid application with no mention of online-only features, it is likely that Quick Confidence Interval can be used offline. This allows for convenient study and practice without requiring an internet connection.
What devices does Quick Confidence Interval support?
Quick Confidence Interval is available for iPhone and iPod devices. It is designed to run on iOS operating systems.
How often is Quick Confidence Interval updated?
The app was last updated on November 22, 2023, indicating ongoing support and potential for future improvements. The current version is 2.8.
What is the price of Quick Confidence Interval?
Quick Confidence Interval is a paid application, available for a one-time purchase of $0.99. This price provides full access to all its features without recurring costs.
What is the age rating for Quick Confidence Interval?
Quick Confidence Interval has an age rating of 4+, making it suitable for a wide range of users, including younger students learning basic statistical concepts.
Does Quick Confidence Interval have ads?
No, Quick Confidence Interval does not contain advertisements. As a paid application, it offers an uninterrupted user experience focused on learning.