Art of Stat: Inference 4+

Name: Art of Stat: Inference
Rating: 4.9 (17 reviews)
Author: Bernhard Klingenberg

Confidence Intervals and Tests

Bernhard Klingenberg

Designed for iPad

- 4.9 • 17 Ratings

- Free
- Offers In-App Purchases

Description

Modern statistical calculator for inference (confidence intervals and tests) about proportions, means and linear regression.

The Art of Stat: Inference app provides access to the following modules:

- Inference for Proportions (one and two independent samples)
- Inference for Means (one and two independent samples)
- Inference in Linear Regression Models (slope, confidence & prediction intervals)
- Chi-Square Test (Independence/Homogeneity and Goodness of Fit)
- One-way ANOVA for comparing several means
- Data Editor for creating or manipulating data

Unlock all modules for a one-time small fee.

Entering your own data is easy:
If you just have a few observations (or if you have the summary statistics), simply type them in or use the new Data Editor. For larger datasets, upload a CSV file of your raw data to a cloud account (such as iCloud or Google Drive) or simply email the file to yourself. Then, open the CSV file in the app and select the variables for your analysis. You can also simply copy & paste raw data from a spreadsheet app (such as Numbers on iOS or Google sheets). Sample datasets are also provided.

The results are stunning:
The app provides relevant plots (side-by-side or stacked bar charts, boxplots, histograms) and computes and visualizes confidence intervals and P-values for testing hypotheses. All relevant information (such as standard errors, margin of errors, z or t scores and degrees of freedom) are clearly displayed and labeled. The P-value is visualized on a graph for the normal, t-, or Chi-Squared distribution.

Developed for both students and teachers as a handy tool for carrying out basic statistical inference and visualize results on the fly.

The app works in on- and offline mode (the app indicates that it is in offline mode with a large green banner), which makes it suitable for exams.

Easily share your results by taking screenshots.

Nov 2, 2024

Version 1.9.0

- better supports landscape mode on tablets

4.9 out of 5

17 Ratings

Great for my intro stats class

This covers all the methods we learn in Stat 101, and is so easy. Our teacher even uses it in class to demonstrate a new analysis, and we can follow along on our phones. No more tables to look up to find P values, or what test statistic to use. Incredible easy!

Great

Great app
Helps my stats students. Easy to use. Fun as well. One of the best things that the net as produced.

Great Basic app

I wish the one mean app would round at least one decimal instead of rounding the margin of error to a whole number. Students can’t use the app on their homework.

Thank you for your review. I'm trying to address this in the next version out very soon, but even now you may use the "Adjust Number of Digits" switch right below the Descriptive Statistics table on the first tab ("Enter Data"). With it, you should be able to set the number of digits shown for the margin of error for the confidence interval. If this doesn't work, can you email the specific data you use to support@artofstat.com. Thank you!

The developer, Bernhard Klingenberg, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.