Aug 25, 2021 · This tutorial provides several examples of how Chi-Square tests are used in real life.

May 23, 2022 · A Pearson’s chi-square test is a statistical test for categorical data. It is used to determine whether your data are significantly different from what you expected.

Aug 23, 2025 · Learn about the Chi-Square test, its formula, and types. Understand when to use the tests, chi-square distributions, and how to solve Chi-Square problems.

May 15, 2025 · This post will walk you through what it is, when to use it, and how to run one in Python, R, and Excel, with simple explanations and real-world examples. What is a Chi …

May 3, 2025 · Learn how to use the chi-square test for categorical data analysis—goodness-of-fit, test of independence, assumptions, and step-by-step exp.

Aug 2, 2025 · Chi-squared test, or χ² test, helps in determining whether these two variables are associated with each other. This test is widely used in market research, healthcare, social …

In business, A/B testing uses chi-square to compare two marketing strategies. Example: Using the chi-square test, businesses can analyze if the difference in performance between Strategy A …

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

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 …

Example: "Which holiday do you prefer?" Does Gender affect Preferred Holiday? If Gender (Man or Woman) does affect Preferred Holiday we say they are dependent. By doing some special …