Quiz on Big Data and Data Science

What is the focus of the current landscape in data science?

• Data visualization techniques

• Datafication

• Cloud computing

• Machine learning algorithms

What is introduced in big data analytics?

• Manual data entry

• Traditional data processing

• Basic statistics

• State of the practice in analytics

What is a common challenge faced in data science projects?

• Data privacy concerns

• Increased manual labor

• High costs of hardware

• Limited data sources

Which programming language is widely used for data analysis?

• Python

• Java

• C++

• HTML

What is the primary goal of machine learning in data science?

• To automate data entry

• To improve data storage

• To make predictions based on data

• To visualize data trends

What is the significance of data cleaning in the data analytics process?

• It eliminates the need for data visualization

• It speeds up data entry

• It ensures data accuracy and quality

• It reduces data storage costs

Which tool is commonly used for data visualization?

• Notepad

• Photoshop

• PowerPoint

• Excel

What is a primary benefit of using machine learning in data analysis?

• It simplifies data storage

• It eliminates the need for data collection

• It can identify patterns in large datasets

• It requires less data

What is a common method for handling missing data in datasets?

• Data imputation

• Data encryption

• Data visualization

• Data compression

Which of the following is a popular library for data manipulation in Python?

• JavaScript

• HTML

• NumPy

• CSS