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STA: Statistical Toolbox - FREE

by EvolveDK, Version: 1.0 , 693 KB  

Package name: dk.evolve.android.sta , Last Update: 2012-10-12 19:15:37


50 ratings (4.640 average)

10,000-50,000 downloads


What's new in this version (1.0):

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From version 0.6 to version 1.0:
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Description

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

Last comments from Android Market

Sebastián Ignacio (*****)
The best tool on my phone, realmente muy bueno!

David (*****)
It is really useful!!! Extremely comprehensive and have very good functions!!

doubledave (*****)
Great for binomial distribution probability problems. Edit: is there a way to find variance for uniform probability distribution?

C (*****)
Does the job...

David (*****)
Very useful. I wish it had a number pad for data entry. Thanks!

Steven (*****)
it is free!

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

Paul (*****)
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.

gatot (*****)
Amazing!!!

Ananda (*****)
Awesome app! Like having all the stats tables in my pocket. UI could use a little more polish.

STA: Statistical Toolbox screenshot 1

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