CHI SQARE DIFFERENCE
Last updated: 6/17/2025
Definition
Chi-square difference is a statistical test used to compare the goodness-of-fit of two models. This test compares the difference between the observed and expected frequencies of categorical data in two or more groups.
Origin
Agricultural terminology derived from scientific classification and practical field experience.
Detailed Explanation
The formula for the chi-square difference test is as follows:
χ²diff= χ²s- χ²l and dfdiff = dfs- dfl
Where:
χ² is the chi-square test statistic
‘s’ denotes smaller model and
‘l’ denotes larger model
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TheAgriBizz. (2026). CHI SQARE DIFFERENCE. Agricultural Terminology Dictionary. Retrieved June 4, 2026 from https://theagribizz.com/terminology/chi-square-difference
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