Data Fundamentals Quiz Welcome to the Data Fundamentals Quiz!You're about to test your knowledge of essential data concepts, including data types, storage, analysis techniques, and more. Answer each question carefully and within the given time limit.Good luck! Let's begin! Time's up!Thanks for participating in the Data Fundamentals Quiz. Whether you got all the answers right or found some challenging, remember that every step you take deepens your understanding of data. Keep learning and exploring! Data Fundamentals Quiz This quiz focuses on basic data concepts, data types, and introductory methods for handling and analyzing data. Test your understanding of how data is stored, represented, and utilized in the modern world. Suitable for beginners or anyone looking to refresh their data knowledge. 1 / 15 Which of the following is an example of qualitative data? Height of a person Color of a car Number of students in a class Temperature in Celsius 2 / 15 What is the goal of data analysis? To create more data To store data in a warehouse To visualize data only To derive insights and make informed decisions 3 / 15 What is the most common format used for storing structured data? JSON XML CSV HTML 4 / 15 What is the simplest definition of data? Instructions for a machine A collection of facts A set of algorithms A set of rules 5 / 15 What does "data privacy" refer to? Storing data securely in cloud systems Sharing data freely on the internet Protecting data from unauthorized access or sharing Making data public 6 / 15 Which of the following tools is commonly used for data visualization? Pandas Matplotlib SQL MongoDB 7 / 15 What is the term for the process of gathering data from various sources? Data collection Data structuring Data mining Data processing 8 / 15 What is structured data? Data that is stored in a predefined format like rows and columns Data stored as multimedia files Data that does not have any specific format Data that comes only from social media 9 / 15 In machine learning, what term is used for the data that is used to train a model? Metadata Raw data Test data Training data 10 / 15 What type of data is "1234" considered? String Boolean Float Integer 11 / 15 Which of the following practices ensures data security? Storing data in plain text Encrypting sensitive data Sharing data via email without protection Disabling firewalls 12 / 15 Which of the following is the correct definition of a database? A type of software for processing text documents A collection of interrelated data stored without structure A system for collecting and storing related data in an organized way A collection of unorganized files 13 / 15 In a relational database, data is represented in which of the following structures? Tables Graphs Trees Key-value pairs 14 / 15 Which of the following best describes data processing? Storing data in a database Transforming raw data into meaningful information Sorting data for storage Collecting data from various sources 15 / 15 Which of the following best describes "Big Data"? Data used only in social media platforms Personal data collected from mobile devices Large sets of data that are complex and difficult to process using traditional methods Data that is small in size but difficult to process Your score isThe average score is 66% 0% Restart quiz