Data Visualization with Python by SkillUp Exam Answers
Exam 5.1 – 4 Questions
Question 1: True or False? Data visualization is the communication of data in a visual manner.
- True
- False
Question 2: Which of the following is NOT a principle of data visualization put forth by Edward Tufte?
- make large data sets coherent
- encourage the eye to compare different pieces of data
- present the data in a way that reflects your assumptions
- reveal the data at several levels of detail, from a broad overview to the fine structure
- serve a reasonably clear purpose: description, exploration, tabulation or decoration
Question 3: True or False? Visualization dashboards help you link your data with the rendering code you created to build your visualizations.
- True
- False
Question 4: True or false? The three popular dashboard tools mentioned in this course are free.
- True
- False
Exam 5.2 – 4 Questions
Question 1: True or False? Basic visualization tools can help you build the most commonly used types of charts, graphs, and plots.
- True
- False
Question 2: True or False: Microsoft Power BI users can only use the chart types available in the tool.
- True
- False
Question 3: True or False? There are specialized tools available to build map visualizations.
- True
- False
Question 4: Which of the following is NOT a map type available in geoplotlib?
- Heatmap
- Scatter plot
- Spatial graph
- Delaunay triangulation
- GeoJSON
Exam 5.3 – 4 Questions
Question 1: True or False? Matplotlib is a comprehensive library for creating static, animated, and interactive visualizations in Python.
- True
- False
Question 2: True or False? Labels for chart axis are optional.
- True
- False
Question 3: Which of the following statements about Folium is NOT true?
- Folium is a powerful subscription-based Python library that helps you create several types of Leaflet maps.
- Folium builds on the data wrangling strengths of the Python ecosystem and the mapping strengths of the Leaflet.js library.
- Folium enables both the binding of data to a map for choropleth visualizations as well as passing Vincent/Vega visualizations as markers on the map.
- The Folium library has a number of built-in tilesets from OpenStreetMap, Mapbox, and Stamen, and supports custom tilesets with Mapbox or Cloudmade API keys.
- Folium supports both GeoJSON and TopoJSON overlays, as well as the binding of data to those overlays to create choropleth maps with color-brewer color schemes.
Question 4: True or false? pandas is a Python package providing fast, flexible, and expressive data structures designed to make working with “relational” or “labeled” data both easy and intuitive.
- True
- False
Final Exam – 10 Questions
Question 1: True or False: When using data visualization tools, it is important to have the chart represent your original hypothesis.
- True
- False
Question 2: Dashboards allow you to develop visualizations with ease. Which is the following is a popular visualization dashboard?
- Microsoft Excel
- Tableau Desktop
- Microsoft Power BI
- All of the above
- None of the above
Question 3: True or False: In his 1983 book The Visual Display of Quantitative Information, Edward Tufte writes: “Excellence in statistical graphics consists of complex ideas communicated with clarity, precision and efficiency.”
- True
- False
Question 4: Which of the following statements about Tableau Desktop is NOT correct:
- It includes live visual analytics
- It includes an interactive dashboard
- You can connect data on-premises or in the cloud
- All of the above
- None of the above
Question 5: True or False: Microsoft Power BI users have the ability to visit the Microsoft AppSource where a growing list of Power BI visuals are available to use in your own dashboards and reports.
- True
- False
Question 6: Which of the following is NOT a category of visualizations offered by Qlik in Qlik Sense and QlikView?
- Composition charts
- Distribution charts
- Relationship charts
- Family charts
- Comparison charts
Question 7: True or False: Jupyter Notebook is a subscription-based web application that allows you to create and share documents that contain live code, equations, visualizations and narrative text.
- True
- False
Question 8: Fill in the blank: A ________________ is designed to reveal trends or changes that occur over time. It is best used when you have a continuous data set, versus one that starts and stops
- Line chart
- Map graph
- Bar chart
- Column graph
- Pie chart
Question 9: When using the pandas groupby method to summarize data, the general process of group by involves three steps. Which one of the following is NOT one of those three steps?
- Split
- Apply
- Group
- Combine
- None of the above
Question 10: True or False: Folium was developed for the sole purpose of visualizing geospatial data.
- True
- False