tValue

David Bourne Reference iPhoneiPadiPod touch

tValue is a free Reference app for iPhone and iPad by David Bourne. Rated 5.0/5 from 1 ratings. Requires iOS 18.6. Updated December 15, 2025.

Rating: 5.0; 1 ratings
Price: Free; on the App Store
Size: 1 MB; Age 4+
Updated: Dec 15; 2025 · v2.0.2

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About tValue

tValue can be used to quickly calculate unpaired Student t Values given two sets of mean, standard deviation and n. t values for difference from zero or other specified value can be calculated. Use the difference values for Set 1 and leave Set 2 blank for a paired t test.

What’s new

Version 2.0.2 · Updated December 15, 2025

Updated for new age questions and requirements

App privacy

The developer, David Bourne, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

App details

tValue is a free Reference app for iPhone, iPad and iPod touch, developed by David Bourne. It is rated 5.0 out of 5 from 1 ratings on the App Store, requires iOS 18.6 or later, is 1 MB to download and is available in 8 languages. It was first released on February 11, 2016 and last updated on December 15, 2025.

Category: Reference
Rating: 5.0 / 5 (1 rating)
Price: Free
Version: 2.0.2
Size: 1 MB
Requires: iOS 18.6 or later
Compatibility: iPhone, iPad, iPod touch
Languages: English, French, German, Japanese, Korean, Chinese, Spanish, Thai
Age rating: 4+
Released: February 11, 2016
Last updated: December 15, 2025
Developer: David Bourne

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