Stats tester miniA

Stats tester miniA is a friendly app to perform several statistics calculations and hypothesis tests. This app has several features.

### Statistics methods ###

1. Mean, Standard deviation, Standard errof the mean, Skewness,Kurtosis, Confidence interval, etc.

2. Median, Range, Quartiles, Boxplot, etc.

3. One-Sample t-Test (to Specified Mean)

4. Two-Sample t-Test (Student's and Welch's t-Tests)

5. Paired-Sample t-Test

6. One-Way Analysis of Variance (ANOVA)

7. Linear Regression and Test for Pearson Correlation Coefficient

8. Shapiro-Wilk Test (Normality test) and Q-Q Plot graph.

9. Chi-Square Test (2X2 Independence)

### Features of this app ###

1. Since one sample group (multiple data) is entered in one window, it is very easy to enter or edit the data.

2. The input window data, calculation process, p-values, etc. are displayed in one output window. You can save the input data and test results together by copying the output window to the clipboard or emailing it to yourself.

3. There is an Example button and a Help button for each test.

4. Terms used within the app are explained in the glossary (27 items).

### Version History (Major modification) ###

Ver 2.2 (Jun. 12, 2024)

Improved the graph display of each test and made it easier to see even in dark mode.

Ver 2.1 (Mar. 06, 2024)

Privacy Policy : Revised and added disclaimer.

Ver 2.0 (Feb. 21, 2024)

Added dark mode feature.

Ver 1.1 (Feb. 3, 2024)

1) Pearson correlation coefficient test: Fixed freeze in very rare data (r=0).

2) Glossary: ​​Added correlation coefficient, regression coefficient, coefficient of determination, and correlation coefficient tests.

Ver 1.0 (Jan. 12, 2024)

First release.

### Acknowledgment ###

The AChartEngine library distributed under the Apache 2.0 license was utilized to make charts.

https://github.com/ddanny/achartengine

http://www.apache.org/licenses/LICENSE-2.0.htm