WorksheetsData Science Quiz
Total questions: 15
Worksheet time: 8mins
What is Data Science primarily about?
Data encryption
Data visualization
Data gathering, analysis, and decision-making
Data storage
Which industry does not commonly use Data Science?
Banking
Consultancy
Agriculture
Healthcare
What are the four types of data that can be classified for analysis?
Primary, Secondary, Tertiary, Quaternary
Text, Image, Video, Audio
Nominal, Ordinal, Interval, Ratio
Structured, Unstructured, Semi-structured, NoSQL
Which programming language is commonly used in Data Science?
Swift
C#
JavaScript
Python
What is the main emphasis of Predictive Analysis?
What has happened
How it happened
Why it happened
What is likely to happen
What are the key skills needed to become a Data Scientist?
Math Skills, Cooking Skills, Driving Skills
Data Entry, Typing, Emailing
Statistics, Machine Learning, Strong Math Skills
Singing, Dancing, Painting
Who is credited with initiating the term 'data scientist' as a buzzword?
Peter Naur
Tukey
Jacob Zahavi
DJ Patil
What is the purpose of a problem statement in a Data Science project?
To delay the project
To state the problem being solved clearly
To confuse the team
To hide the problem
What is the process of ensuring data is in the correct format and errors are identified?
Data Cleaning
Data Validation
Data Encryption
Data Visualization
What are the four main types of Exploratory Data Analysis?
Non-graphical, Graphical, Multivariate, Univariate
Qualitative, Quantitative, Mixed, Action
Univariate, Bivariate, Multivariate, Trivariate
Descriptive, Diagnostic, Predictive, Prescriptive
What is the process of transforming raw data into features that better represent the underlying problem?
Feature Learning
Feature Engineering
Feature Selection
Feature Extraction
What are the two approaches for creating recommendation systems?
Collaborative Filtering, Content-Based
Content-Based, User-Based
User-Based, Collaborative Filtering
Content-Based, Collaborative Filtering
What is the main benefit of predictive analytics in healthcare?
Managing chronic diseases
Increasing waiting time for patients
Reducing doctor availability
Creating unnecessary emergencies
What is the primary focus of targeted advertising?
Targeting specific audience based on characteristics
Targeting everyone
Targeting random individuals
Targeting competitors
What is the purpose of advanced image recognition in AI?
Identifying animals
Recognizing patterns, objects, and faces
Playing music
Predicting the weather
