12th Grade Qualitative Data Quizzes, Questions & Answers

12th Grade

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Categorical Variables in Econometrics Quiz

This quiz evaluates your understanding of categorical variables in econometrics, including nominal and ordinal data classification, encoding techniques, and their application in statistical models. Learn how qualitative data is...

Questions: 15 | Attempts: 10 | Last updated: Apr 15, 2026

Sample Question 1
Which of the following is an example of a nominal categorical variable?

Income level (low, medium, high)

Employment status (employed, unemployed, retired)

Customer satisfaction rating (1–5 stars)

Years of education completed

Sample Question 2
What is the primary purpose of dummy variable encoding in econometrics?

To reduce the number of observations in a dataset

To convert categorical variables into numeric form for regression analysis

To eliminate missing values automatically

To increase the correlation between variables

Sample Question 3
If a categorical variable has 4 categories, how many dummy variables should you create to avoid multicollinearity?

4 dummy variables

3 dummy variables

5 dummy variables

2 dummy variables

12th Grade Qualitative Data Quizzes, Questions & Answers

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