CS 7643 QUIZ 2 PREP SET UPDATED ACTUAL EXAM QUESTIONS CORRECT ANSWERS GRADED A

CS 7643 QUIZ 2 PREP SET UPDATED ACTUAL EXAM QUESTIONS CORRECT ANSWERS
GRADED A PLUS




Question:
Analysis.

Answer:
Facilitate data understanding and help raise new questions to generate insights



Question:
Presentation.

Answer:
Using data to tell a story to make a point



Question:
Nominal, Ordinal, and Interval.

Answer:
Three basic types of data attributes



Question:
Interval data attribute.

Answer:
continuous numeric (age, performance, etc)



Question:
Nominal data attribute.

Answer:

,2+ categories no specific order



Question:
Ordinal data attribute.

Answer:
2+ categories that are ordered or on a spectrum (how confident are you: very, somewhat, not so
much, not at all)



Question:
Data Marks.

Answer:
graphical elements that encode data values (size, shape, color, orientation, position, thickness, etc)



Question:
Data Values, Data Marks.

Answer:
Visualization is about the visual mapping between _____ and _____



Question:
Visual Encoding Channels.

Answer:
visual measurements of magnitude - building blocks of visualizations



Question:
Position, Size, Orientation, and Color.

Answer:
What are the 4 visual encoding channels (from most to least precise)

, Question:
Position visual encoding channel.

Answer:
Most precise channel, uses x and y axis



Question:
true.

Answer:
We are very imprecise when it comes to comparing areas



Question:
people can manipulate the meaning of area encodings for exaggeration and understatement.

Answer:
what is one downfall of area encodings



Question:
1D Length, 2D Area, 3D Volume, Numeracy.

Answer:
What are the categories of size visual encoding



Question:
Numeracy for size encoding.

Answer:
representing values with arrays of icons