Sep 24, 2021 · This tutorial explains how to perform a Chi-Square goodness of fit test by hand, including a step-by-step example.

May 23, 2022 · If you want to test a hypothesis about the distribution of a categorical variable you’ll need to use a chi-square test or another nonparametric test. Categorical variables can be nominal or …

Jun 10, 2025 · This step-by-step guide to the Chi-Square Test provides a comprehensive overview of the test's application, including data preparation, calculation, and interpretation.

Aug 29, 2023 · The four steps below show you how to analyze your data using a chi-square goodness-of-fit test in SPSS (when you have hypothesized that you have equal expected proportions).

Feb 16, 2026 · This tutorial will guide you through the fundamentals of the Chi-Square test, including its formula, different types, and real-world applications. By the end, you'll understand the chi-square test …

Aug 2, 2025 · Before performing a chi-square test, you should have on hand information about two categorical variables you wish to observe. You must collect details on people’s sex (male or female) …

Aug 3, 2023 · A Chi-square test is performed to determine if there is a difference between the theoretical population parameter and the observed data. Chi-square test is a non-parametric test where the data …

Welcome to this comprehensive guide on Chi‑Square (χ²) tests, essential tools in statistics for analyzing categorical data.

Sep 10, 2024 · In practice, the Chi-square test can be applied in various ways, such as testing the goodness of fit, evaluating population variance, or assessing homogeneity. A common scenario is …

Oct 29, 2025 · Learn the Chi-Square Test for goodness of fit and independence with step-by-step examples, formulas, and interpretations. Ideal for IB, AP, and A Level students.