7/11/25, 10:30 PM D204: The Data Analytics Journey
WGU D204: The Data Analytics Journey
COMPLETE QUESTIONS AND CORRECT
DETAILED ANSWERS \VERIFIED ANSWERS
\100% VERFIED 2025-2026
What does SQL stand for? structured query language
This is where you Modeling
actually 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 developers, Data engineers
and the system architects,
the people who focus on
the
hardware and the software
that make data science
possible
This is the phase of collecting Data acquisition
data.
Which phase? - Working with Discovery
stakeholders to help them
ask better questions so
that both they and you
understand the
outcome.
What are the 4 parts of data Planning, Wrangling, Modeling and Applying
analytics cycle?
1/76
,7/11/25, 10:30 PM D204: The Data Analytics Journey
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 person who The project sponsor
champions the vision of the
project and has the authority
to allocate resources.
_ ______ is responsible for Project manager
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?
_ __________ describes the Descriptive analysis
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 predictions Predictive analytics
about
future state of business.
Forecasting volumes for
example. Based on last
2/76
,7/11/25, 10:30 PM D204: The Data Analytics Journey
summer and winter, what will
we sell next year?
_ ________ analysis with an Prescriptive analytics
end goal
of making a
recommendation. What
colors and sizes of shirts
should we sell to
maximize profits?
3/76
, 7/11/25, 10:30 PM D204: The Data Analytics Journey
_ _______ is just looking at Time series analysis
any
variable over time
_ _______ is a programing R
language
that is specific to statistics. It
also has capabilities to
visualize data.
_ ____ is a multipurpose Python
programing
language that has libraries
that extend its capabilities to
do statistical analysis.
_ _______ are platforms that Tableau and Power BI
specialize in visualization. This
is where you can make
graphs and charts for
presentations and data
storytelling to executive
leaders.
_ ________ are instant Teams, Slack
messaging
platforms that facilitate in a
faster, but less formal, way
than email.
An European union law GDPR
regulating their citizens
must have informed consent
and ability to request or
delete their own data that
you collect.
When the researching Conflict of interest
organization
consciously ignores data
that calls their results into
question or only presents
one side of the results that
puts them in a positive
4/76
WGU D204: The Data Analytics Journey
COMPLETE QUESTIONS AND CORRECT
DETAILED ANSWERS \VERIFIED ANSWERS
\100% VERFIED 2025-2026
What does SQL stand for? structured query language
This is where you Modeling
actually 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 developers, Data engineers
and the system architects,
the people who focus on
the
hardware and the software
that make data science
possible
This is the phase of collecting Data acquisition
data.
Which phase? - Working with Discovery
stakeholders to help them
ask better questions so
that both they and you
understand the
outcome.
What are the 4 parts of data Planning, Wrangling, Modeling and Applying
analytics cycle?
1/76
,7/11/25, 10:30 PM D204: The Data Analytics Journey
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 person who The project sponsor
champions the vision of the
project and has the authority
to allocate resources.
_ ______ is responsible for Project manager
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?
_ __________ describes the Descriptive analysis
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 predictions Predictive analytics
about
future state of business.
Forecasting volumes for
example. Based on last
2/76
,7/11/25, 10:30 PM D204: The Data Analytics Journey
summer and winter, what will
we sell next year?
_ ________ analysis with an Prescriptive analytics
end goal
of making a
recommendation. What
colors and sizes of shirts
should we sell to
maximize profits?
3/76
, 7/11/25, 10:30 PM D204: The Data Analytics Journey
_ _______ is just looking at Time series analysis
any
variable over time
_ _______ is a programing R
language
that is specific to statistics. It
also has capabilities to
visualize data.
_ ____ is a multipurpose Python
programing
language that has libraries
that extend its capabilities to
do statistical analysis.
_ _______ are platforms that Tableau and Power BI
specialize in visualization. This
is where you can make
graphs and charts for
presentations and data
storytelling to executive
leaders.
_ ________ are instant Teams, Slack
messaging
platforms that facilitate in a
faster, but less formal, way
than email.
An European union law GDPR
regulating their citizens
must have informed consent
and ability to request or
delete their own data that
you collect.
When the researching Conflict of interest
organization
consciously ignores data
that calls their results into
question or only presents
one side of the results that
puts them in a positive
4/76
