# Essential Design Principles for Tableau Week 4

Course Name: Data Visualization with Tableau

Sub-course: Essential Design Principles for Tableau

Course Link: Data Visualization with Tableau

Sub-course Link: Essential Design Principles for Tableau

### Final Quiz

Q1. Which description best describes a persona?
Descriptions and photos of users that are used to show a project is employing “user centered design.”
A homogenous version of an “average” all user segment.
A document that captures the needs, goals and abilities of a specific audience segment.

Answer: A document that captures the needs, goals and abilities of a specific audience segment.

Q2. Which of the following is true about continuous data?
The values cannot be subdivided.
There’s no inherent order to the data.
Continuous data has a potentially infinite set of values.

Answer: Continuous data has a potentially infinite set of values.

These are answers of Essential Design Principles for Tableau Coursera Week 4 Quiz

Q3. Colin Ware proposed three interlocking feedback loops of visualization. Which one in this list is not one of them?
Color channeling
Direct manipulation of graphical objects
Problem solving

Q4. What best describes the idea of progressive disclosure in an interactive visualization?
Using only a subset of data in a statistical analysis.
Showing only the level of data that is needed at a particular part of an analytic process or workflow.
Real time streaming of data.

Answer: Showing only the level of data that is needed at a particular part of an analytic process or workflow.

These are answers of Essential Design Principles for Tableau Coursera Week 4 Quiz

Q5. What was the visual exaggeration in Florence Nightingales’ “rose diagram”?
The color choices
The areas of the wedges
Line lengths

Answer: The areas of the wedges

Q6. Which of the following is not an example of a useful coordinated view approach?
Highlighting
Distorting
Filtering

These are answers of Essential Design Principles for Tableau Coursera Week 4 Quiz

Q7. Which of the following is not true about discrete data?
There’s no inherent order to the categories.
Discrete data have a potentially infinite set of values.
The values are not subdivided.

Answer: Discrete data have a potentially infinite set of values.

Q8. Which two visual attributes are good for displaying quantitative measures?
Shape and size
Line length and 2D position
Color intensity and saturation

Answer: Line length and 2D position

These are answers of Essential Design Principles for Tableau Coursera Week 4 Quiz

Q9. What’s a common design problem for direct manipulation of graphical objects?
A target area for selection is covered up or crowded out by other graphical objects.
Graphical objects may appear closer than they really are.
Users tend to preferentially select rectangular shapes.

Answer: A target area for selection is covered up or crowded out by other graphical objects.

Q10. Why is it generally a good idea to start axes with a zero?
It’s always easier to design charts that way.
Charts look better with axes starting at zero.
It avoids distortions in the values being compared.

Answer: It avoids distortions in the values being compared.

These are answers of Essential Design Principles for Tableau Coursera Week 4 Quiz

Q11. Which of the following is not generally considered an essential element of a useful Persona description?
The persona’s needs
The persona’s goals
The persona’s pets’ names

Q12. Which visual attribute is good for displaying qualitative measures?
2D Position
Color intensity
Line length

These are answers of Essential Design Principles for Tableau Coursera Week 4 Quiz

Q13. Which definition best fits the idea of “survivor bias”?
A tendency to draw conclusions based on data from biased survivors.
A tendency to draw conclusions based only on data that survived the ETL process.
A tendency to draw conclusions based on data from what survived a process and overlooking what did not.

Answer: A tendency to draw conclusions based on data from what survived a process and overlooking what did not.

These are answers of Essential Design Principles for Tableau Coursera Week 4 Quiz

Q14. True/False: Tree maps are an example of Geospatial representation?
True
False