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YOUR TASK

As you’ve seen throughout this module, there is an art to creating data visualizations. Some visualizations might look pretty but aren’t actually useful for data analysts. In this SkillBuilder, we want to showcase some poor data visualizations that have been used in the real world and modify them to be

more

effective.

SKILLBUILDER DOWNLOADS

Question Sheet (pdf)

(Links to an external site.)

Tableau Workbook

(Links to an external site.)

Work through the tasks on the

Questions

pages and double click each field to enter your answers. Once you’re done, save the modified workbook with a unique file name and

submit

it for grading.

DELIVERABLE

A .twbx file containing your answers.

SUBMIT

Upload your .twbx file here in TechBootcampHQ.

USING TABLEAU ONLINE?

Refer to the same Questions PDF linked above.

Here’s the link

(Links to an external site.)

to the online workbook. Please be sure to

submit

the URL to your shared workbook in the “Upload your SkillBuilders & Projects” folder within Tableau Online.

Good luck! These skills are getting

more

complicated, but if you put in the time to learn and practice and make use of the support resources offered, you can and will master them!

Assignment: Critique and Remake
Visualizations
As you’ve seen in the videos and in LiveLab, there is an art to creating data visualizations. Some
visualizations might look pretty but aren’t actually useful for data analysts. In this skill builder,
we want to showcase some poor data visualizations that have been used in the real world and
modify them to be more effective.
1. Take a look at the following visualization:
Discuss how the visualization can be misleading, erroneous, or difficult to interpret.
Afterward, make suggestions on how to improve the visualization.
2. On Sheet 1, use the Homicides_Colombia data source to create a new visualization that
is more useful than the original one. Note: The data comes in its original wide format.
You may want to pivot the data to be easier to work with in Tableau.
3. Take a look at the following visualization:
Discuss how the visualization can be misleading, erroneous, or difficult to interpret.
Afterward, make suggestions on how to improve the visualization.
4. On Sheet 2, use the Weekly Grocery Spending data source to create a new visualization
that is more useful than the original one.
5. Take a look at the following visualization:
Discuss how the visualization can be misleading, erroneous, or difficult to interpret.
Afterward, make suggestions on how to improve the visualization.
6. On Sheet 3, use the Average Adult Height by Country data source to create a new
visualization that is more useful than the original one. (Note that some values are
different in the data than the visualization.)
Assignment: Critique and Remake
Visualizations
As you’ve seen in the videos and in LiveLab, there is an art to creating data visualizations. Some
visualizations might look pretty but aren’t actually useful for data analysts. In this skill builder,
we want to showcase some poor data visualizations that have been used in the real world and
modify them to be more effective.
1. Take a look at the following visualization:
Discuss how the visualization can be misleading, erroneous, or difficult to interpret.
Afterward, make suggestions on how to improve the visualization.
2. On Sheet 1, use the Homicides_Colombia data source to create a new visualization that
is more useful than the original one. Note: The data comes in its original wide format.
You may want to pivot the data to be easier to work with in Tableau.
3. Take a look at the following visualization:
Discuss how the visualization can be misleading, erroneous, or difficult to interpret.
Afterward, make suggestions on how to improve the visualization.
4. On Sheet 2, use the Weekly Grocery Spending data source to create a new visualization
that is more useful than the original one.
5. Take a look at the following visualization:
Discuss how the visualization can be misleading, erroneous, or difficult to interpret.
Afterward, make suggestions on how to improve the visualization.
6. On Sheet 3, use the Average Adult Height by Country data source to create a new
visualization that is more useful than the original one. (Note that some values are
different in the data than the visualization.)

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