Data Science UNIT I Quiz

What is the main goal of data science?

• To analyze raw data

• To create data

• To delete data

• To ignore data

Which component of data science involves collecting and analyzing numerical data?

• Statistics

• Machine Learning

• Data Preparation

• Visualization

What technique helps in accessing large amounts of data through visuals?

• Data Preparation

• Model Building

• Machine Learning

• Visualization

Which stage of the data science lifecycle involves acquiring data from various sources?

• Communicate Results

• Operationalize

• Discovery

• Model Building

What is the purpose of data preparation in data science?

• To build models

• To visualize data

• To clean and process data

• To create data

Which type of data has a predefined format like tables with rows and columns?

• Qualitative Data Type

• Semi-Structured Data

• Unstructured Data

• Structured Data

What type of data includes text, images, audio, and video files?

• Structured Data

• Semi-Structured Data

• Unstructured Data

• Qualitative Data Type

Which Python library provides support for multidimensional arrays?

• NumPy

• SCIKIT-Learn

• SciPy

• PANDAS

What does the NumPy library consist of?

• Data visualization tools

• Linear algebra functions

• Statistical formulas

• Machine learning algorithms

Which library is known for high-performance data structure and analysis tools in Python?

• NumPy

• PANDAS

• SCIKIT-Learn

• SciPy