Data Science Unit 1 Quiz

What is the primary focus of Data Science?

• Creating user-friendly interfaces

• Organizing information systems

• Data storage and retrieval

• Extracting insights from data

What type of data does Business Intelligence primarily deal with?

• Raw data

• Semi-structured data

• Structured data

• Unstructured data

Which of the following is NOT a component of Data Science?

• Data Visualization

• Data Collection

• Data Entry

• Statistics

What is the purpose of Data Wrangling?

• To analyze data

• To store data

• To clean and organize data

• To visualize data

What is the main difference between Data Science and Information Science?

• Information Science deals with unstructured data

• Information Science focuses on data analysis

• Data Science focuses on data storage

• Data Science extracts insights from data

What does Data Cleaning involve?

• Removing duplicates and correcting inaccuracies

• Collecting data from various sources

• Storing data in databases

• Visualizing data trends

What is the purpose of Data Transformation?

• To convert data into a usable format

• To analyze data

• To visualize data trends

• To store data securely

What is the first phase of the Data Science lifecycle?

• Model building

• Data preparation

• Data communication

• Discovery

Which of the following is a method of Data Integration?

• Data Visualization

• Data Cleaning

• Data Sampling

• Schema Integration

What is the goal of Machine Learning in Data Science?

• To clean data

• To visualize data

• To build predictive models

• To store data efficiently