Power Analysis

Power Analysis

Easy guided statistical tests

$4.99
Click to generate a QR code for easy access to the app on the App Store

Details about Power Analysis

  • Released
  • Updated
  • iOS Version
  • Age Rating
  • Size
  • Devices
  • Languages

Features

Developer of Power Analysis

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Version History of Power Analysis

2.0.1

August 1, 2018

This app has been updated by Apple to display the Apple Watch app icon. • Fixes for user reported issues

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2.0.0

December 10, 2015

• Updated for iOS 9 including Slide Over and Split View. Check significance without leaving the article you are reading! • Updated appearance • New UI flow lets you choose if you want a sample size calculation or to evaluate a test and acts accordingly • Allow separate standard deviations for two sample case

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1.4.0

September 24, 2013

• Updated for iOS 7 compatibility

1.3.1

November 2, 2012

• Updated for iOS6 • Updated for iPhone 5

1.3.0

July 12, 2012

• Added option for one-tail tests. Default remains two-tail.

1.2.1

February 22, 2012

• Internationalized • First localization is Chinese

1.2.0

January 24, 2012

• Allows you to control your risk of false negatives (type II error)

1.1.0

September 19, 2011

• Now universal so you can use on your iphone/ipod as well • Now displays formal name of statistical test currently being used, also displays p value in more formal language • Now using two-tail tests because this is the more common use case for our customers

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1.0.2

June 24, 2011

• User interface fixes: Full interface visible right away when you open the app so you can start using it immediately • Bug fixes

1.0.1

June 15, 2011

• Return key now enters information and dismisses keyboard -- sorry for the inconvenience • Displays p-value as well as confidence interval • Added button to get email support. Get help with the software or with statistics. Feature requests welcome! • Cleaned up wording in a few places

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Price History of Power Analysis

Description of Power Analysis

Design experiments and measurements confidently with minimal knowledge of statistics. Have you ever worried if the study you were planning would have enough data to conclude anything? Know how much data you need while you're still in the planning phase. Let the app do the statistics for you. • Easy to use interface helps you enter the pertinent information without being a statistics expert. • Know how many observations you'll need to measure what you want. • Know how good a measurement you'll get for any number of observations you set. • Visualizations • Play with sliders for key parameters and see how they affect the measurement • Supports measurements of rates and proportions (binomial distributions) in addition to continuous distributions • Chooses appropriate statistical test for you based on your experimental parameters. (Tests include t, z, chi square, and exact binomial). • Set your preferred risk of both false positives and false negatives (type I error and type II error) Can also be useful as an interactive study tool for learning about the statistics of measurement
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Power Analysis: FAQ

Can Power Analysis support iPad devices?

Yes, Power Analysis has support for iPad devices.

Who is the developer of the Power Analysis app?

A&X Analytics, LLC developed the Power Analysis app.

What’s the minimum iOS requirement for the Power Analysis app?

The Power Analysis app requires iOS 9.0 or later.

How does the Power Analysis app rank among users?

With a rating of 5 out of 5, Power Analysis is one of the top-rated apps in its category.

What’s the app category of Power Analysis?

The Main Genre Of The Power Analysis App Is Productivity.

What is the recent version of Power Analysis?

2.0.1 is the newly released version of the Power Analysis app.

When did the new Power Analysis update come out?

The last update for Power Analysis was on December 1, 2024.

When did Power Analysis come out?

Power Analysis was first released on February 5, 2023.

What is the age rating of Power Analysis?

This app is appropriate for all ages, with no offensive or inappropriate content.

What are the languages supported by Power Analysis?

Power Analysis is available in English, Chinese.

Does Apple Arcade offer Power Analysis as part of its collection?

No, Power Analysis is not featured on Apple Arcade.

Can I make in-app purchases within Power Analysis?

No, Power Analysis does not include options for in-app purchases.

Can I use Power Analysis with Apple Vision Pro?

No, you cannot use Power Analysis with Apple Vision Pro.

Are there commercial ads in Power Analysis?

No, there are no commercial ads in Power Analysis.

Alternatives to Power Analysis

More Applications by A&X Analytics, LLC

Reviews of Power Analysis

Fantastic tool

I have worked as a statistician for 44 years, and taught statistics for many years. Power and sample size are difficult concepts for non-statisticians and I had the idea of a dynamic graphical exposition about maybe 20 years ago, and it was something I wanted to do. Needless to say I never got around to it, and in any case I did not have programming skills to do it. So I just want to say "congratulations" on a great app. It is exactly what I had envisaged a long time ago. The graphics are excellent and i am sure this will be a great tool for teachers and researchers.
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Excellent

intuitive interface, great for planning the basics or teaching

Very helpful app

Very helpful app for my experiment design