Use Chi-Square Tests when every variable you’re working with is categorical. Use ANOVA when you have at least one categorical variable and one continuous dependent variable. Use the following practice problems to improve your understanding of when to use Chi-Square Tests vs. ANOVA: Practice Problem 1. Suppose a researcher want to know if.. While t-tests and ANOVA primarily deal with continuous dependent variables, Chi-Square tests come into play when there is a categorical dependent variable, often in the context of logistic regression.
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In this article, we interactively explore and visualize the difference between three common statistical tests: T-test, ANOVA test and Chi-Squared test. We also use examples to walkthrough essential steps in hypothesis testing: 1. define the null and alternative hypothesis. 2. choose the appropriate test.. Χ 2 = 8.41 + 8.67 + 11.6 + 5.4 = 34.08. Step 3: Find the critical chi-square value. Since there are four groups (round and yellow, round and green, wrinkled and yellow, wrinkled and green), there are three degrees of freedom.. For a test of significance at α = .05 and df = 3, the Χ 2 critical value is 7.82.. Step 4: Compare the chi-square value to the critical value