Exercise - Introduction to Data Science
Multiple Choice Questions
1. What is the first step in the Data Science Life Cycle (DSLC)?
- (a) Collecting Data
- (b) Visualizing Data
- (c) Understanding the Problem
- (d) Analyzing the Data
2. Which method is best for collecting opinions from many students?
- (a) IoT Devices
- (b) Survey
- (c) Web Scraping
- (d) Database
3. What is "bias" in data?
- (a) Very large data size
- (b) Unfair or one-sided data
- (c) Well-cleaned data
- (d) High-speed data
4. Which tool is ideal for beginners to create charts?
- (a) Tableau
- (b) Python
- (c) Google Sheets
- (d) Hadoop
5. A relational store information in the form of
- (a) Slides
- (b) Tables
- (c) Blocks
- (d) Layers
6. Which of the following charts is best for comparing groups?
- (a) Pie Chart
- (b) Bar Chart
- (c) Line Chart
- (d) Area Chart
7. What is the main goal of analyzing data?
- (a) Delete old data
- (b) Decorate data
- (c) Find patterns and make decisions
- (d) Upload to the internet
8. Which of the following tools is an advanced data visualization platform?
- (a) MS Paint
- (b) Google Data Studio
- (c) Notepad
- (d) WhatsApp
9. What should be done before storing data?
- (a) Add animations
- (b) Clean and validate it
- (c) Encrypt it
- (d) Translate it
10. Which one is an example of a data source?
- (a) YouTube
- (b) Survey form
- (c) Whiteboard
- (d) Slide show