Lecture 1

Question 1

Data visualization

Answer 1

Deliver a clear scientific message with easily-interpretable visual elements

Question 2

Wealth of information consumes consumer attention that is why we need visualization to not lose this attention and to allocate it efficiently

Answer 2

True

Question 3

Why we visualize data

Answer 3

Three major whys answers:
To share information
To unterstand
To make decisions

Question 4

A goo d visualization depends on who is looking at it and why

Answer 4

True

Question 5

Visualization can also be used by developers of algorithms to assess the performance of an algorithm

Answer 5

true

Question 6

Visualization increases human capacity by offloading internal cognition and memory usage to the perceptual system

Answer 6

true

Question 7

We depend on vision because it provide a high bandwidth channel to the brain

Answer 7

true

Question 8

Representing all the data helps
confirm expected and identify
unexpected patterns.
They are also useful for
validating statistical models (Look at slide 23)

Answer 8

true

Question 9

Idiom is a distinct approach to creating and handling visual representation

Answer 9

true

Question 10

A tool that serves well for one task (like presentation) may not be suitable for another task for the same data

Answer 10

True

Question 11

We need balance in information density so we do not lose interest

Answer 11

true