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Worksheets01. Introduction to Data Science Quiz
Total questions: 10
Worksheet time: 5mins
What does Descriptive Analytics help with?
Diagnosing problems
Prescribing actions
Understanding past data
Predicting future trends
What is the first step in the Data Science Methodology?
Data Collection
Business Understanding
Modeling
Data Preparation
Which role is primarily responsible for building data pipelines?
Business Analyst
Domain Expert
Data Engineer
Data Scientist
What is the focus of Predictive Analytics?
Analyzing historical data
Understanding current data
Forecasting future outcomes
Providing recommendations
Which of the following is an example of Prescriptive Analytics?
Identifying customer segments
Analyzing sales data from last year
Forecasting next quarter's sales
Recommending marketing strategies
Which of the following are activities typically carried out by a Data Scientist?
Cleaning and preparing data
Ensuring the scalability of Data Warehouses and Data Pipelines
Evaluating statistical models
Building Machine Learning models
Presenting insights using PowerPoint and Tableau
What is a "programming language"?
Everyday human language that is directly understood by computers
A language that can be translated into machine language by a compiler or interpreter
A collection of binary digits (0s and 1s) used by the CPU
An application like Google Translate that converts human language
What is the disadvantage of an Interpreted Language compared to a Compiled Language?
The process of starting the program takes longer
It cannot be used to build web applications
The program runs slower during execution because each line must be checked and translated first
It cannot detect errors in the program code
In an Interpreted Language, if an error occurs on line 6, lines 1 through 5 will still run normally before execution stops
True
False
What is the primary purpose of Data Visualization?
To clean and prepare data
To present data in a graphical format
To store data efficiently
To analyze data statistically
