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# STA: Statistical Toolbox

#### + By EvolveDK

TOOL FOR STATISTICS AND PROBABILITY THEORY.

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Features
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- Distribution tool
- Statistical tests
- Descriptives

Besides these areas, the application supports saving, loading, and deleting datasets where applicable.

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Distribution tool
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The distribution tool offers the following features: plot the pdf/pmf, properties (like mean value, variance, and support), cumulative probability, point mass/density, quantiles, and generating/sampling from the distribution.

Discrete probability distributions: Binomial, Hypergeometric, Negative binomial (or Pascal as it is also called), Poisson, uniform, and Zipf

Continuous probability distributions: Beta, Cauchy, Chi^2 (Chi squarred), Exponential, F (or Fisher-Snedecor as it is also called), Gamma, Normal (or Gaussian as it is also called), Student's t, uniform, and Weibull

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Statistical tests
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- One way ANOVA
- Chi^2 tests: Pearson's Chi^2 test for independence and observed vs expected counts
- Correlation tests: Pearson's correlation and Spearman's correlation
- Student's t-tests: One sample and two sample (both homoscedastic and heteroscedastic are supported)

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Descriptives
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- Plot a histogram
- Summary statistics as: number of observations, min, max, mean, standard deviation, variance, median, skewness, and kurtosis

Tags: statistical package, statistics package, statistical, statistical toolbox, sta statistical toolbox, weibull apk, sta statistical toobox, statistical advertisements, probability statistics apk torrent, embedded statistics.

Recently changed in this version

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From version 0.6 to version 1.0:
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Updated: 2012-07-19 02:15 GMT+2

General:
- Uses Apache Commons Math 3.0 (instead of 2.2)

Distributions:
- Added discrete and continuous uniform distribution

Statistical tests:
- BUG fixed: Couln't use decimal numbers in ANOVA test
- New feature: Pearson's and Spearman's correlation tests

Last activity on STA: Statistical Toolbox
Comments and ratings for STA: Statistical Toolbox
• (72 stars)

WBC
All I can say is: WOW!

• (72 stars)

All I can say is: WOW!

• (72 stars)

excellent app. very useful.

• (72 stars)

really useful

• (72 stars)

It's an awesome app, though i'd love better graphing since it's very limited.

• (72 stars)

Awesome! Can't believe it's free! Development wish list would be to include Weibull B10 calls for reliability, but I still use this a lot.

• (72 stars)

Amazing!!!