Working with the world happiness data in tableau

Course 6 – Share Data Through the Art of Visualization Quiz Answers

Week 2: Creative Data Visualization with Tableau

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Complete Study Guide

CREATIVE DATA VISUALIZATION WITH TABLEAU INTRODUCTION

Tableau is an extremely powerful tool for data visualization that allows users to quickly and easily create stunning visualizations based on their findings. Working with the world happiness data in Tableau provides a wide array of options, including creating maps, charts, graphs, and more. Tableau is often the choice of many organizations when it comes time to visualize data. It has become increasingly popular with businesses due to its ease of use and flexibility.

Tableau has even been used by Coursera in Google Data Analytics courses as part of their certificate program. Tableau offers a variety of features specifically designed to help analysts find insights from their data. From filtering capabilities to drill-down menus and chart types, Tableau enables users to explore and discover meaningful patterns in their data quickly and effectively.

Learning Objectives

  • Identify Tableau as a data visualization tool and understand its uses
  • Explain how data visualization can allow for creativity and clarity to appropriately present findings
  • Select appropriate visuals for various presentation situations
  • Identify different types of data visualizations and their uses
  • Use multiple data sources to create a visualization
  • Discuss accessibility issues associated with data visualization

Test your knowledge on getting started with tableau

1. As a business intelligence and analytics platform, Tableau enables you to do what with data? Select all that apply.

  • Check and clean data in databases
  • Create and share interactive dashboards with data (Correct)
  • Observe and understand data to make decisions (Correct)
  • Connect to data in databases, spreadsheets, or CSV files (Correct)

Correct: Tableau enables you to observe and understand data to make decisions, connect to data in databases, spreadsheets, or CSV files, and create and share interactive dashboards with data.

2. Compare Tableau to other data visualization software such as Looker and Google Data Studio. What feature is unique to Tableau?

  • Integration of multiple data sources
  • Connectivity to SQL databases
  • Desktop version for users (Correct)
  • Drag and drop functionality to create visualizations

Correct: Tableau offers browser-based and desktop versions while Looker and Google Data Studio are strictly browser-based. Browser-based solutions are preferred by companies adopting cloud-based services while desktop solutions might be suitable for companies maintaining services on their private networks.

3. Fill in the blank: When using Tableau Public, click the Gallery tab to access _____.

  • how-to videos
  • blog articles
  • public visualizations (Correct)
  • sample data

Correct: Tableau Public’s Gallery features data visualization examples created by other Tableau Public users across the web.

test your knowledge on creating a visualization with tableau

1. A diverging color palette in Tableau displays characteristics of values using what color combination?

  • Hue for the range and tint for the margin of error
  • Intensity for the range and hue for the magnitude
  • Intensity for the magnitude and hue for the range (Correct)
  • Shade for the accuracy and grayscale for the reliability

Correct: A diverging color palette in Tableau displays a value’s magnitude by color intensity and a value’s range by color hue.a

2. A data analyst creates a Tableau visualization to compare the trade (amount of goods and services exchanged) between the European Union (EU) and Australia. Which color choice could be misleading?

  • Green for the EU and red for Australia (Correct)
  • Blue for the EU and gray for Australia
  • Beige for the EU and purple for Australia
  • Orange for the EU and brown for Australia

Correct: A lot of people associate green with positive results and red with negative results. Green could falsely represent a trade surplus for the EU and red could falsely represent a trade deficit for Australia.

3. How could you adjust the labels to make the following visualization more effective? Select all that apply.

Course_6_Week_2
  • Move the labels to white space on the map
  • Change the font color for the labels from black to white
  • Reduce the number of labels (Correct)
  • Use a single font for the labels (Correct)

Correct: You could make the visualization more effective by reducing the number of labels per country and using only one font. Doing this makes the labels easier to read.

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Share Data Through the Art of Visualization Weekly Challenge 2

1. Tableau is used to create dynamic and interactive visualizations. Dynamic visualizations can change over time. What does it mean for a visualization to be interactive?

  • The audience can export the datasets.
  • The audience can collaborate on changes to the data.
  • The audience can control what data they see. (Correct)
  • The audience can listen to audio about the data.

Correct: A visualization is interactive when the audience can control what data they see.

2. A data analyst is using the Color tool in Tableau to apply a color scheme to a data visualization. They want the visualization to be accessible for people with color vision deficiencies, so they use a color scheme with lots of contrast. What does it mean to have contrast?

  • The color scheme uses a range of different colors (Correct)
  • The color scheme is uniform
  • The color scheme is monotone
  • The color scheme is graphically pleasing

Correct: The data analyst makes sure the color scheme has contrast in order to make the visualization accessible for people with color vision deficiencies.

3. You are working with the World Happiness data in Tableau. What tool do you use to select the area on the map representing Central America?

  • Rectangular
  • Radial
  • Lasso (Correct)
  • Pan

Correct: To select the area on the map representing Central America, use the Lasso tool.

4. A data analyst is using the Pan tool in Tableau. What are they doing?

  • Taking a screenshot of the visualization
  • Deselecting a data point from within the visualization
  • Rotating the perspective while keeping a certain object in view (Correct)
  • Moving a data point to another location in the visualization

Correct: They are using the Pan tool to rotate the perspective while keeping a certain object in view.

5. You are using the Label tool in Tableau. What will it enable you to do with the World Happiness map visualizations?

  • Increase the size of a country on the map
  • Separate out a selected country on the map
  • Hide certain countries on the map
  • Display the population of each country on the map (Correct)

Correct: The Label tool will enable you to display the population of each country on the map.

6. You are working with the World Happiness data in Tableau. Which tool will enable you to show certain data while hiding the rest?

  • Filter (Correct)
  • Format
  • Dimension
  • Attribute

Correct: To show certain data while hiding the rest, use the Filter tool.

7. By default, all visualizations you create using Tableau Public are available to other users. What icon do you click to hide a visualization?

  • Source
  • Eye (Correct)
  • Private
  • Close

Correct: To hide a visualization from other users, click the Eye icon.

8. Fill in the blank: In Tableau, a _____ palette displays two value ranges. Color shows the range where a data point is from, and color intensity shows its magnitude.

  • inverting
  • overlaying
  • diverging (Correct)
  • contrasting

Correct: In Tableau, a diverging palette displays two value ranges. Color shows the range where a data point is from, and color intensity shows its magnitude.

9. You are using Tableau Public to create a data visualization. In order to keep your visualization hidden from other users, you click the Show/Hide icon.

  • True
  • False (CORRECT)

To keep your visualization hidden from other users, you click the Eye icon.

10. By default, all visualizations you create using Tableau Public are available to other users. What icon do you click to hide a visualization in Tableau?

  • Source
  • Eye (CORRECT)
  • Close
  • Private

To hide a visualization from other users, click the Eye icon.

11. When working with the World Happiness data in Tableau, what could you use the Filter tool to do?

  • Zoom out to reveal the entire world
  • Show only countries with a World Happiness score of 3.5 or lower (CORRECT)
  • Reformat every country in Asia
  • Permanently delete countries without a happiness score

You could use the Filter tool to show only those countries with a World Happiness score of 3.5 or lower.

12. Fill in the blank: A data analyst is working with the World Happiness data in Tableau. To get a better view of Moldova, they use the _____ tool.

  • Radial
  • Pan (CORRECT)
  • Lasso
  • Rectangular

To get a better view of Moldova, they use the Pan tool.

13. A data analyst creates a scatter plot in Tableau and notices an outlier. What should they do next?

  • Remove the outlier, as it is unlikely to lead to any important observations
  • Investigate the outlier to determine if it can lead to any important observations (CORRECT)
  • Use a filter to highlight the outlier, as it is more important than the rest of the data
  • Remove the outlier, as it is unlikely to lead to any important observations
  • Shift the outlier to the center of the other data points for conformity

If a data analyst notices an outlier in a scatter plot, they should investigate it to determine if it can lead to any important observations.

14. A data analyst is working with the world happiness data in tableau. what tool do they use to select the area on the map representing Finland?

  • Radial
  • Pan
  • Lasso (CORRECT)
  • Rectangular

To select the area on the map representing Finland, use the Lasso tool.

15. You are working with the World Happiness data in Tableau. What tool do you use to select the area on the map representing Central America?

  • Radial
  • Pan
  • Lasso (CORRECT)
  • Rectangular

To select the area on the map representing Central America, use the Lasso tool.

16. A data analyst uses the color tool in tableau to apply a color scheme to a data visualization. in order to make the visualization accessible for people with color vision deficiencies, what should they do next?

Make sure the color scheme has contrast (CORRECT)

17. Tableau is used to create interactive and dynamic visualizations. A visualization is interactive when the audience can control what data they see. What does it mean for a visualization to be dynamic?

The visualization can change over time (CORRECT)

CREATIVE DATA VISUALIZATION WITH TABLEAU CONCLUSION

Data visualization is a critical part of data analysis and Tableau is one of the leading software programs for creating visualizations. While there are many features that make Tableau an effective tool, some of the most important ones for data discovery are its filtering capabilities, drill-down menus and chart types.

By using these features, analysts can quickly and easily find meaningful patterns in their data. If you’re interested in learning more about data visualization and how to use Tableau, join the learning experience on Coursera.

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