# Chi-Square Table — Use to compare observed result

> Use to compare observed result (iPhone/iPad app by Jasmatbhai Satashiya.)

- Source: https://appshunter.io/ios/app/chi-square-table/id6444340329 (this page in markdown: same URL + `.md`)
- Developer: [Jasmatbhai Satashiya](https://appshunter.io/developer/1656353988)
- Category: Utilities
- Price: $2.99
- Age rating: 4+
- Requires: iOS 11.0 · 26 MB
- Languages: English
- Released: 2022-11-14
- Data updated: 2026-06-10
- User reviews in markdown: https://appshunter.io/ios/app/chi-square-table/id6444340329/reviews.md

## What is Chi?

The chi-square (Χ2) distribution table is a reference table that lists chi-square critical values. A chi-square critical value is a threshold for statistical significance for certain hypothesis tests and defines confidence intervals for certain parameters.

For each observed number in the table subtract the corresponding expected number (O — E). Square the difference (O —E)². Divide the squares obtained for each cell in the table by the expected number for that cell (O - E)² / E. Sum all the values for (O - E)² / E.

A chi-square test is a statistical test used to compare observed results with expected results. The purpose of this test is to determine if a difference between observed data and expected data is due to chance, or if it is due to a relationship between the variables you are studying.


## Version history (last 1 release)

### 1.0 — 2022-11-14

No release notes.

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All apps by Jasmatbhai Satashiya: https://appshunter.io/developer/1656353988

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*