Data Science Quiz 3 > Data AI Revolution

Welcome to the Data Science Quiz, designed specifically for beginners! This quiz will test your foundational understanding of core data science concepts and help you assess your knowledge in key areas. Whether you're just starting your data science journey or want to reinforce your basics, this quiz covers a wide range of introductory topics.

1 / 10

Which of the following is an example of supervised learning?

Principal Component Analysis

K-Means Clustering

Decision Tree

Apriori Algorithm

2 / 10

What is the purpose of Normalization in Data Science?

Reducing data size

Converting categorical data into numerical form

Scaling data to a common range

Cleaning data

3 / 10

Which of the following techniques is used to handle missing data in a dataset?

Data Duplication

Data Imputation

Data Transformation

Data Reduction

4 / 10

hich of the following is a commonly used algorithm for classification tasks?

K-Means

K-Nearest Neighbors (KNN)

Linear Regression

DBSCAN

5 / 10

What does “Overfitting” mean in Machine Learning?

A model that performs well on training data but poorly on test data

A model that performs equally well on both training and test data

A model that cannot fit the data properly

A model that is too simple for the data

6 / 10

Which of the following is a Python library used for data visualization?

NumPy

SciPy

Matplotlib

Flask

7 / 10

In Machine Learning, what is the purpose of the test dataset?

To train the model

To evaluate the model's performance

To clean the data

To visualize data

8 / 10

What is the role of “Pandas” in Python for Data Science?

Machine Learning

Web Scraping

Data Manipulation and Analysis

Text Processing

9 / 10

Which of the following languages is most commonly used for Data Science?

HTML

Python

CSS

PHP

10 / 10

What is Data Science primarily concerned with?

Data Analysis and Interpretation

Application Development

Web Designing

Network Security

Your score is

The average score is 90%

0%

Data Science Quiz 3

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