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WGU D204 DATA ANALYTICS OA AND PRE ASSESSMENT EXAM ACTUAL EXAM COMPLETE 500 QUESTIONS WITH DETAILED VERIFIED ANSWERS (100% CORRECT ANSWERS) /ALREADY GRADED A+ $19.49
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WGU D204 DATA ANALYTICS OA AND PRE ASSESSMENT EXAM ACTUAL EXAM COMPLETE 500 QUESTIONS WITH DETAILED VERIFIED ANSWERS (100% CORRECT ANSWERS) /ALREADY GRADED A+
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  • WGU D204 DATA ANALYTICS OA

WGU D204 DATA ANALYTICS OA AND PRE ASSESSMENT EXAM ACTUAL EXAM COMPLETE 500 QUESTIONS WITH DETAILED VERIFIED ANSWERS (100% CORRECT ANSWERS) /ALREADY GRADED A+

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  • September 27, 2024
  • 205
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • WGU D204 DATA ANALYTICS OA
  • WGU D204 DATA ANALYTICS OA

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WGU D204 DATA ANALYTICS OA AND
PRE ASSESSMENT EXAM 2024-2025
ACTUAL EXAM COMPLETE 500
QUESTIONS WITH DETAILED
VERIFIED ANSWERS (100% CORRECT
ANSWERS) /ALREADY GRADED A+



WGU D204 OA




An analyst applies a statistical formula to obtain the
average temperature for a city over the last 50
years.Which phase of the data analytics life cycle is
represented by this activity?A.
A. Data acquisition
B. Exploratory data analysis
C. Predictive modeling
D. Data reporting - ....ANSWER...B.

,An analyst has been tasked with defining data
columns that could contain null values.Which activity
of the data acquisition phase is represented?


A. Collecting data
B. Disqualifying data sources
C. Detecting missing values
D. Transforming improperly formatted text -
....ANSWER...C.


Which activity in the data analytics life cycle occurs
during the data acquisition phase and requires the
most time and effort from the data analyst?
A. Selecting the data sources
B. Importing data into a database
C. Cleaning data
D. Defining goals - ....ANSWER...C.


What might be developed by data analysts when
acquiring data from a data warehouse?
A. The procedures for extracting files from the data
warehouse

,B. The procedures for updating tables in the data
warehouse
C. The relational structure of tables
D. The SQL queries of data within the tables -
....ANSWER...D. The SQL queries of data within the
tables


What can be identified using a box plot? -
....ANSWER...Interquartile range


What will be a consequence of poor attention to
detail during the data exploration phase?
A. Not enough variables will be considered in the
analysis.
B. The outcome of the analysis will be misaligned to
business needs.
C. The analyst will lack insight into the structure of
the data set.
D. The model will be built using the wrong data set. -
....ANSWER...C.


Which aspect of data exploration occurs when an
analyst writes code to compile a bar graph of dog
food sales per month?

, A. Performance of a correlation analysis
B. Analysis of data anomalies
C. Verification through visualization
D. Determination of variabilities - ....ANSWER...C.


An oil company uses robots and sensors to detect
how pipeline corrosion changes over time. The
collected data is then used in a predictive model that
estimates when a pipe should be replaced.How does
the predictive model serve this oil company?


A. To minimize interruptions from maintenance
shutdowns
B. To minimize the need for workforce safety training
C. To improve compliance with pipeline construction
standards
D. To improve compliance with pipeline disposal
standards - ....ANSWER...A.


During which phase in the data analytics life cycle
would a churn analysis be performed? -
....ANSWER...Predictive analysis

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