Stats Tester,  Easy statistics 4.0.1 Icon

Stats Tester, Easy statistics

BMP group Education
3.4
2 Ratings
49K+
Downloads
4.0.1
version
May 23, 2020
release date
2.4 MB
file size
Free
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What's New

Stats tester ver 4.0.1

Minor changes to previous major update version 4.0.

1) Binomial test(1 and 2): Removed extra line breaks in [Hint] display. Matched the input-data name with the result display.

2) One-sample t-test: In the help menu, "Population (Reference) mean" was changed to "Compared mean (c)".

About Stats Tester, Easy statistics Android App

## Important information for Samsung users ##

On some Samsung Galaxy models, there may be no space or comma key on the numeric keyboard. In that case, please install the Google Keyboard (Gboard) from the Play Store and try it as the default keyboard. This will allow you to use the Google numeric keyboard. This also solves similar problems in other calculation apps.

1. The max data number for each statistics is 100.
2. Each statistics method has useful [Help], [Example] and [Share] buttons.
3. Some tests have graph functions.

Detailed usage can be found in the "How to use" section below the list of statistics methods.

### Parametric statistics ###

1. Mean, SD, SEM, Skewness, Kurtosis
- Arithmetic, Geometric and Harmonic means
- Standard Error, Standard Deviation
- Confidence interval
- Sum
- Sum of Square
- Variance
- Skewness
- Kurtosis
2. Shapiro-Wilk test (Normality test)
- Shapiro-Wilk test
- Normal probability plot (graph)
3. SD-SEM Conversion
4. One-sample t-test (Comparison of mean)
5. Paired sample t-test
6. Two-sample t-test (Comparison of means)
- F-test to compare 2 variances
- t-test(Student and Welch)
7. F-test for equality of 2 variances
8. Levene test for homogeneity of variance
(n >=3 groups)
9. One-way ANOVA
10. Multiple t-test (with Bonferroni correction)
11. Pearson correlation coefficient (Linear regression)
- Correlation coefficient
- Regression coefficient
- Test for correlation coefficient
- Regression line (graph)
12. Test for difference between one-sample correlation coefficient and compared value
13. Test for difference between two-sample correlation coefficients

### Nonparametric statistics ###

1. Median, Range and Quartiles
- Quartile deviation
- Boxplot (graph)
2. Mann-Whitney U test (= Wilcoxon rank sum test)
3. Median test
(Mood's Median test)
4. Kruskal-Wallis test and multiple comparisons (Bonferroni correction)
5. Sign test (paired sample)
6. Wilcoxon signed-rank sum test (paired 2 groups)
7. Binomial test I [** Exact method (<=100)] (= One-sample proportion test)
8. Binomial test II [** Approx method] (= One-sample proportion test)
9. Two-sample proportion test [** Approx method]
10. Chi-square test (Goodness of Fit)
11. Chi-square test(Independence, 2x2)
12. Fisher's exact test
13. Chi-square test(Independence, mxn)
14. McNemar test (paired case)
(Chi-square test of paired data. Exact Method)
15. Spearman rank correlation coefficient

### How to use ###

## Data entry ##
1. You can put data into the input-window by using a keyboard or by pasting data from this app or other apps.
2. Since one input-window accepts entering of many numbers, it is easy to edit entered data.
3. When entering a lot of data, it is convenient to paste data from Google Sheets, etc.

## Sharing data and results ##
1. [Input-window] has own copy/paste functions.
2. Input and Result data can be sent to mailers or saved to clouds (Google Drive, OneNote etc) by [Share] button.
3. Data on the output-window can be copied to your device by [Copy Results to ClipBoard] button.

## Saving graph ##
1. Please use the screenshot function of your device.

## Others ##
1. Entered data and results calculated by each method are memorized until the next use. This function is a feature of this app and it is very convenient. [All Clear] button of option-menu(3 dot) on the first screen erases all saved data.)
2. This app can be used for basic statistics, biostatistics and medical statistics, etc. It can be also used to study statistical method by using textbooks or WEB pages.

### Acknowledgment###
The AChartEngine library distributed under the Apache 2.0 license was utilized to make chart.
https://github.com/ddanny/achartengine
http://www.apache.org/licenses/LICENSE-2.0.html
http://www.apache.org/licenses/LICENSE-2.0.html

Other Information:

Package Name:
Requires Android:
Android 3.0+
Other Sources:

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This version of Stats Tester, Easy statistics Android App comes with one universal variant which will work on all the Android devices.

Variant
107
(May 23, 2020)
Architecture
universal
Minimum OS
Android 3.0+
Screen DPI
nodpi (all screens)
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