3/17/25, 4:01 PM D204 WGU Study Set / 90+ REAL ACTUAL EXAM STUDY GUIDE | ACCURATE EXPERT VERIFIED FOR GUARANTEED PASS | …
D204 WGU Study Set / 90+ REAL ACTUAL EXAM
STUDY GUIDE | ACCURATE EXPERT VERIFIED
FOR GUARANTEED PASS | LATEST UPDATE
Save
Terms in this set (91)
Which of these is NOT a C
topic of interest for
Discovery/Planning/Busin
ess Understanding?
A. Project Scope
B. Identify stakeholders
and research
questions/KPIs
C. Build a data pipeline
(ETL)
D. Identify timeline,
budget, and participants
https://quizlet.com/1019183889/d204-wgu-study-set-90-real-actual-exam-study-guide-accurate-expert-verified-for-guaranteed-pass-latest-update-flas… 1/16
,3/17/25, 4:01 PM D204 WGU Study Set / 90+ REAL ACTUAL EXAM STUDY GUIDE | ACCURATE EXPERT VERIFIED FOR GUARANTEED PASS | …
What is a potential A
problem to consider in the
planning phase?
A. Lack of clear focus on
stakeholders, timeline,
limitations, and budget
B. Quality and type of data
may make access more
difficult
C. Some cleaning
techniques could
dramatically change
data/outcomes
D. Outliers not dealt with
can cause problems with
statistical models due to
excessive variability.
In what phase does the Business Understanding/Planning/Discovery
analyst identify the stake
holders and research
questions?
In what phase does the Data acquisition
analyst deal with the
following:
Gather/collect data from a
variety of sources
Provide structure to data
accessible via relational
databases (SQL)
Build data pipeline (ETL)
Use of API to download
data from an external
source
https://quizlet.com/1019183889/d204-wgu-study-set-90-real-actual-exam-study-guide-accurate-expert-verified-for-guaranteed-pass-latest-update-flas… 2/16
, 3/17/25, 4:01 PM D204 WGU Study Set / 90+ REAL ACTUAL EXAM STUDY GUIDE | ACCURATE EXPERT VERIFIED FOR GUARANTEED PASS | …
In what phase does the Data cleaning/wrangling/scrubbing/munging
analyst deal with the
following:
Fixing improperly
formatted values
Dealing with duplicates,
missing data, and outliers
Data reduction
In what phase does the Data exploration/Exploratory Data
analyst deal with the Analysis(EDA)/Descriptive Statistics
following:
Central Tendency/
Measures of center (e.g.,
mean, median, mode),
variability (e.g., standard
deviations and quartiles)
and distributions (e.g.,
normal, skewed, etc)
Identify basic correlations
between variables
Pattern discovery
https://quizlet.com/1019183889/d204-wgu-study-set-90-real-actual-exam-study-guide-accurate-expert-verified-for-guaranteed-pass-latest-update-flas… 3/16
D204 WGU Study Set / 90+ REAL ACTUAL EXAM
STUDY GUIDE | ACCURATE EXPERT VERIFIED
FOR GUARANTEED PASS | LATEST UPDATE
Save
Terms in this set (91)
Which of these is NOT a C
topic of interest for
Discovery/Planning/Busin
ess Understanding?
A. Project Scope
B. Identify stakeholders
and research
questions/KPIs
C. Build a data pipeline
(ETL)
D. Identify timeline,
budget, and participants
https://quizlet.com/1019183889/d204-wgu-study-set-90-real-actual-exam-study-guide-accurate-expert-verified-for-guaranteed-pass-latest-update-flas… 1/16
,3/17/25, 4:01 PM D204 WGU Study Set / 90+ REAL ACTUAL EXAM STUDY GUIDE | ACCURATE EXPERT VERIFIED FOR GUARANTEED PASS | …
What is a potential A
problem to consider in the
planning phase?
A. Lack of clear focus on
stakeholders, timeline,
limitations, and budget
B. Quality and type of data
may make access more
difficult
C. Some cleaning
techniques could
dramatically change
data/outcomes
D. Outliers not dealt with
can cause problems with
statistical models due to
excessive variability.
In what phase does the Business Understanding/Planning/Discovery
analyst identify the stake
holders and research
questions?
In what phase does the Data acquisition
analyst deal with the
following:
Gather/collect data from a
variety of sources
Provide structure to data
accessible via relational
databases (SQL)
Build data pipeline (ETL)
Use of API to download
data from an external
source
https://quizlet.com/1019183889/d204-wgu-study-set-90-real-actual-exam-study-guide-accurate-expert-verified-for-guaranteed-pass-latest-update-flas… 2/16
, 3/17/25, 4:01 PM D204 WGU Study Set / 90+ REAL ACTUAL EXAM STUDY GUIDE | ACCURATE EXPERT VERIFIED FOR GUARANTEED PASS | …
In what phase does the Data cleaning/wrangling/scrubbing/munging
analyst deal with the
following:
Fixing improperly
formatted values
Dealing with duplicates,
missing data, and outliers
Data reduction
In what phase does the Data exploration/Exploratory Data
analyst deal with the Analysis(EDA)/Descriptive Statistics
following:
Central Tendency/
Measures of center (e.g.,
mean, median, mode),
variability (e.g., standard
deviations and quartiles)
and distributions (e.g.,
normal, skewed, etc)
Identify basic correlations
between variables
Pattern discovery
https://quizlet.com/1019183889/d204-wgu-study-set-90-real-actual-exam-study-guide-accurate-expert-verified-for-guaranteed-pass-latest-update-flas… 3/16
