CSE 578 DATA VISUALIZATION EXAM
CERTIFICATION REVIEW SET 2026
QUESTIONS WITH ANSWERS GRADED A+
⫸ Querying Answer: user knows what he or she wants and can describe
it
⫸ Navigation Answer: user knows what he or she wants and use cannot
describe it or locate it
⫸ Exploration Answer: user doesn't know what he or she wants. Wants
to acquire new knowledge and reveal new facts
⫸ 5 Types of Exploration Tools Answer: 1. Analysis (identify common
patterns or outliers)
2. Comparison (quantify similarities/differences)
3. Aggregation (create groups and clusters)
4. Transformation (use a more convenient representation)
5. Visualization
⫸ 3Vs Answer: Volume, velocity, variety
⫸ HMLE Answer: High dimensional (lots of different things we want to
explore)
, Multi modal (different ways needed to visualize it)
Inter-linked (data is linked, sometimes null, sometimes implicit)
Evolving (underlying patterns change)
⫸ INS Answer: Imprecision
Noise
Sparsity
⫸ Cognition Answer: The mental action of efficiently and effectively
being able to process information into thoughts, knowledge, and insights
⫸ Visualization Answer: Graphically representing data to assist the
processing of information into knowledge, insights, and thoughts.
Uses exploratory data analysis to find trends and patterns in datasets.
⫸ Main components of a sequence Answer: starting point, ending point,
length
⫸ Data Deluge Answer: A vast increase in the amount of data generated
by individuals and businesses.
CERTIFICATION REVIEW SET 2026
QUESTIONS WITH ANSWERS GRADED A+
⫸ Querying Answer: user knows what he or she wants and can describe
it
⫸ Navigation Answer: user knows what he or she wants and use cannot
describe it or locate it
⫸ Exploration Answer: user doesn't know what he or she wants. Wants
to acquire new knowledge and reveal new facts
⫸ 5 Types of Exploration Tools Answer: 1. Analysis (identify common
patterns or outliers)
2. Comparison (quantify similarities/differences)
3. Aggregation (create groups and clusters)
4. Transformation (use a more convenient representation)
5. Visualization
⫸ 3Vs Answer: Volume, velocity, variety
⫸ HMLE Answer: High dimensional (lots of different things we want to
explore)
, Multi modal (different ways needed to visualize it)
Inter-linked (data is linked, sometimes null, sometimes implicit)
Evolving (underlying patterns change)
⫸ INS Answer: Imprecision
Noise
Sparsity
⫸ Cognition Answer: The mental action of efficiently and effectively
being able to process information into thoughts, knowledge, and insights
⫸ Visualization Answer: Graphically representing data to assist the
processing of information into knowledge, insights, and thoughts.
Uses exploratory data analysis to find trends and patterns in datasets.
⫸ Main components of a sequence Answer: starting point, ending point,
length
⫸ Data Deluge Answer: A vast increase in the amount of data generated
by individuals and businesses.
