CompTIA Data+ (DA0-001) — Question 35

Which of the following statistical methods requires two or more categorical variables?

Answer options

• A. Simple linear regression
• B. Chi-squared test
• C. Z-test
• D. Two-sample t-test

Correct answer: B

Explanation

The correct answer is B, the Chi-squared test, which is specifically designed to analyze the relationship between two or more categorical variables. The other options, such as A, C, and D, are suited for different types of data and do not involve categorical variables in their analysis.