2/25/25, 5:14 PM The Data Analytics Journey, D204 (WGU Masters of Data Analytics) 2025 update|comprehensive questions and verified answe…
The Data Analytics Journey, D204 (WGU
Masters of Data Analytics) 2025
update|comprehensive questions and verified
answers (complete solutions) Exam|GRADE A+!!
Save
Terms in this set (286)
Data scientists are able to order, meaning, and value
find ______, _________, and _____
in unstructured data.
1. Defining goals
What is involved in the 2. Organizing resources
planning phase? 3. Coordinate people
4. Schedule project
5. Get data
What is involved in the 6. Clean data
wrangling phase? 7. Explore data
8. Refine data
9. Create model
What is involved in the 10. Validate model
Modeling phase? 11. Evaluate model
12. Refine model
13. Present model
What is involved in the 14. Deploy model
Applying phase? 15. Revisit model
16. Archive assets
https://quizlet.com/1010567189/the-data-analytics-journey-d204-wgu-masters-of-data-analytics-2025-updatecomprehensive-questions-and-verifi… 1/72
,2/25/25, 5:14 PM The Data Analytics Journey, D204 (WGU Masters of Data Analytics) 2025 update|comprehensive questions and verified answe…
____________________ are Python or R
programming languages
that are very frequently
used for data
manipulation and
modeling.
___________ are general- C, and C++, and Java
purpose languages that
are used for the back
end, the foundational
elementsterm-26 of data
science, and they provide
maximum speed.
____________________ is a SQL
language for working
with relational databases
to do queries and data
manipulation.
What does SQL stand structured query language
for?
This is where you actually Modeling
create the statistical
model and you do the
linear regression. You do
the decision tree. You do
the deep learning neural
network.
These are the Data engineers
developers, and the
system architects, the
people who focus on the
hardware and the
software that make data
science possible
This is the phase of Data acquisition
collecting data.
https://quizlet.com/1010567189/the-data-analytics-journey-d204-wgu-masters-of-data-analytics-2025-updatecomprehensive-questions-and-verifi… 2/72
,2/25/25, 5:14 PM The Data Analytics Journey, D204 (WGU Masters of Data Analytics) 2025 update|comprehensive questions and verified answe…
Which phase? - Working Discovery
with stakeholders to help
them ask better questions
so that both they and you
understand the outcome.
What are the 4 parts of Planning, Wrangling, Modeling and Applying
data analytics cycle?
This phase is also known Business understanding
as the discovery phase.
During this phase, an
analyst defines the major
questions of interest that
need to be answered,
understand the needs of
the stakeholders, and
assess the resource
constraints in the project.
____________________ is the The project sponsor
person who champions
the vision of the project
and has the authority to
allocate resources.
__________________ is Project manager
responsible for making
sure things get done on
time and within budget
and removes roadblocks.
___________ is when new Scope creep
requirements are added
to the project that
increases the
time/resources needed
to complete it.
What are the 3 types of Descriptive, Predictive, Prescriptive
analysis?
https://quizlet.com/1010567189/the-data-analytics-journey-d204-wgu-masters-of-data-analytics-2025-updatecomprehensive-questions-and-verifi… 3/72
, 2/25/25, 5:14 PM The Data Analytics Journey, D204 (WGU Masters of Data Analytics) 2025 update|comprehensive questions and verified answe…
___________________________ Descriptive analysis
describes the data that is
present. Mean, Median,
Mode, counting things.
How many of each size
and color of shirt were
sold in the last month?
Do we sell more shirts in
the summer vs winter?
____________________ makes Predictive analytics
predictions about future
state of business.
Forecasting volumes for
example. Based on last
summer and winter, what
will we sell next year?
_______________________ analysis Prescriptive analytics
with an end goal of
making a
recommendation. What
colors and sizes of shirts
should we sell to
maximize profits?
______________________ is just Time series analysis
looking at any variable
over time
____________________ is a R
programing language
that is specific to
statistics. It also has
capabilities to visualize
data.
https://quizlet.com/1010567189/the-data-analytics-journey-d204-wgu-masters-of-data-analytics-2025-updatecomprehensive-questions-and-verifi… 4/72
The Data Analytics Journey, D204 (WGU
Masters of Data Analytics) 2025
update|comprehensive questions and verified
answers (complete solutions) Exam|GRADE A+!!
Save
Terms in this set (286)
Data scientists are able to order, meaning, and value
find ______, _________, and _____
in unstructured data.
1. Defining goals
What is involved in the 2. Organizing resources
planning phase? 3. Coordinate people
4. Schedule project
5. Get data
What is involved in the 6. Clean data
wrangling phase? 7. Explore data
8. Refine data
9. Create model
What is involved in the 10. Validate model
Modeling phase? 11. Evaluate model
12. Refine model
13. Present model
What is involved in the 14. Deploy model
Applying phase? 15. Revisit model
16. Archive assets
https://quizlet.com/1010567189/the-data-analytics-journey-d204-wgu-masters-of-data-analytics-2025-updatecomprehensive-questions-and-verifi… 1/72
,2/25/25, 5:14 PM The Data Analytics Journey, D204 (WGU Masters of Data Analytics) 2025 update|comprehensive questions and verified answe…
____________________ are Python or R
programming languages
that are very frequently
used for data
manipulation and
modeling.
___________ are general- C, and C++, and Java
purpose languages that
are used for the back
end, the foundational
elementsterm-26 of data
science, and they provide
maximum speed.
____________________ is a SQL
language for working
with relational databases
to do queries and data
manipulation.
What does SQL stand structured query language
for?
This is where you actually Modeling
create the statistical
model and you do the
linear regression. You do
the decision tree. You do
the deep learning neural
network.
These are the Data engineers
developers, and the
system architects, the
people who focus on the
hardware and the
software that make data
science possible
This is the phase of Data acquisition
collecting data.
https://quizlet.com/1010567189/the-data-analytics-journey-d204-wgu-masters-of-data-analytics-2025-updatecomprehensive-questions-and-verifi… 2/72
,2/25/25, 5:14 PM The Data Analytics Journey, D204 (WGU Masters of Data Analytics) 2025 update|comprehensive questions and verified answe…
Which phase? - Working Discovery
with stakeholders to help
them ask better questions
so that both they and you
understand the outcome.
What are the 4 parts of Planning, Wrangling, Modeling and Applying
data analytics cycle?
This phase is also known Business understanding
as the discovery phase.
During this phase, an
analyst defines the major
questions of interest that
need to be answered,
understand the needs of
the stakeholders, and
assess the resource
constraints in the project.
____________________ is the The project sponsor
person who champions
the vision of the project
and has the authority to
allocate resources.
__________________ is Project manager
responsible for making
sure things get done on
time and within budget
and removes roadblocks.
___________ is when new Scope creep
requirements are added
to the project that
increases the
time/resources needed
to complete it.
What are the 3 types of Descriptive, Predictive, Prescriptive
analysis?
https://quizlet.com/1010567189/the-data-analytics-journey-d204-wgu-masters-of-data-analytics-2025-updatecomprehensive-questions-and-verifi… 3/72
, 2/25/25, 5:14 PM The Data Analytics Journey, D204 (WGU Masters of Data Analytics) 2025 update|comprehensive questions and verified answe…
___________________________ Descriptive analysis
describes the data that is
present. Mean, Median,
Mode, counting things.
How many of each size
and color of shirt were
sold in the last month?
Do we sell more shirts in
the summer vs winter?
____________________ makes Predictive analytics
predictions about future
state of business.
Forecasting volumes for
example. Based on last
summer and winter, what
will we sell next year?
_______________________ analysis Prescriptive analytics
with an end goal of
making a
recommendation. What
colors and sizes of shirts
should we sell to
maximize profits?
______________________ is just Time series analysis
looking at any variable
over time
____________________ is a R
programing language
that is specific to
statistics. It also has
capabilities to visualize
data.
https://quizlet.com/1010567189/the-data-analytics-journey-d204-wgu-masters-of-data-analytics-2025-updatecomprehensive-questions-and-verifi… 4/72
