Data Science Data Science Trivia Question and Answers 2

Question 1

What does the acronym 'ETL' stand for in data engineering?

Accepted Answer

Extract, Transform, Load

Answer

Evaluate, Test, Learn

Answer

Enter, Tabulate, Log

Answer

Export, Transfer, Link

Question 2

Which Python library is primarily used for creating static, animated, and interactive visualizations?

Accepted Answer

Matplotlib

Answer

NumPy

Answer

SciPy

Answer

Requests

Question 3

What type of machine learning algorithm is K-Means?

Accepted Answer

Unsupervised clustering

Answer

Supervised classification

Answer

Reinforcement learning

Answer

Semi-supervised regression

Question 4

In statistics, what does a p-value less than 0.05 typically indicate?

Accepted Answer

The result is statistically significant

Answer

The null hypothesis is proven true

Answer

The sample size is too small

Answer

The data has no variance

Question 5

What is the purpose of cross-validation in model evaluation?

Accepted Answer

To assess how well a model generalizes to unseen data

Answer

To increase the training dataset size

Answer

To remove outliers from the dataset

Answer

To select the best programming language for modeling

Question 6

Which measure of central tendency is most resistant to outliers?

Accepted Answer

Median

Answer

Mean

Answer

Mode

Answer

Range