Data Science MCQs

A. Data Wrangling

B. Data Visualization

C. Data Engineering

D. Data Mining Which statistical measure represents the middle value…

A. Data Encoding

B. Data Tokenization

C. Data Parsing

D. Data Transformation Which data collection method involves selecting a…

A. To visualize the distribution of data

B. To display relationships between variables

C. To compare multiple categories

D. To identify missing values Which EDA technique is used…

A. Hierarchical Modeling

B. Relational Modeling

C. Object-Oriented Modeling

D. Entity-Relationship Modeling What is the primary purpose of a…

A. Decision Tree

B. Naive Bayes

C. K-Means Clustering

D. Convolutional Neural Network (CNN) In machine learning, what is…

A. Storing metadata

B. Managing job scheduling

C. Storing and managing data blocks

D. Managing data visualization Which Apache project provides a distributed,…

A. To perform machine translation

B. To store and analyze a collection of texts

C. To identify the sentiment of a text

D. To generate random text Which NLP technique involves assigning…

A. To increase data accessibility

B. To protect sensitive information

C. To improve data quality

D. To reduce data volume In data science, what does…

A. Retaining existing customers

B. Maximizing computational complexity

C. Minimizing data storage costs

D. Extracting actionable insights In data science, what is "data…

A. Pandas

B. Matplotlib

C. NumPy

D. Scikit-learn What tool is commonly used for distributed data…