Data Visualization with Python by SkillUp Exam Answers

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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
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