Page |1
WGU D491 INTRODUCTION TO ANALYTICS FINAL EXAM OA
2025/2026 NEWEST ACTUAL EXAM WITH COMPLETE
QUESTIONS AND VERIFIED ANSWERS |ALREADY GRADED
A+|
Why is formulating an initial hypothesis an integral part of the
discovery phase of the data analytics lifecycle?
- It guarantees accurate predictions and outcomes from the data.
- It guides the subsequent data collection, processing, and
analysis activities.
- It guarantees that the final results will support the initial
hypothesis.
- It allows the team to use specific algorithms for analysis. -
ANSWER-It guides the subsequent data collection, processing,
and analysis activities
Who should be included as stakeholders in an analytics project?
- Anyone who will benefit from the project
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- Anyone who has relevant skills
- Anyone who is available to participate
- Anyone who is a manager in the organization - ANSWER-
Anyone who will benefit from the project.
Who offers suggestions on ideas to test as the team formulates
hypotheses during the discovery phase of a data analytics
project?
- Data scientists
- Data visualization specialists
- Project managers
- Marketing experts - ANSWER-Data scientists
Which activity occurs during the data preparation phase of the
data analytics lifecycle?
- Discovery of data
- Modeling of data
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- Collection of data
- Understanding of data - ANSWER-Understanding of data
Which data visualization is most suitable for understanding the
trend and progression of a variable over time in the data
preparation phase?
Histograms
Scatter plots
Box plots
Line charts - ANSWER-Line charts
Which task is commonly performed to identify and address data
quality issues during the data preparation phase?
- Performing data deduplication
- Developing data visualization
- Conducting data profiling
- Executing data integration - ANSWER-Conducting data profiling
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Which common data cleaning task is used to address the missing
data in a data set?
- Normalization
- Handling outliers
- Data transformation
- Imputation - ANSWER-Imputation
normalization - ANSWER-the process of organizing data in a
database.
It includes creating tables and establishing relationships between
those tables according to rules designed both to protect the data
and to make the database more flexible by eliminating
redundancy and inconsistent dependency.
Which task is typically performed to handle outliers during the
data preparation phase?
WGU D491 INTRODUCTION TO ANALYTICS FINAL EXAM OA
2025/2026 NEWEST ACTUAL EXAM WITH COMPLETE
QUESTIONS AND VERIFIED ANSWERS |ALREADY GRADED
A+|
Why is formulating an initial hypothesis an integral part of the
discovery phase of the data analytics lifecycle?
- It guarantees accurate predictions and outcomes from the data.
- It guides the subsequent data collection, processing, and
analysis activities.
- It guarantees that the final results will support the initial
hypothesis.
- It allows the team to use specific algorithms for analysis. -
ANSWER-It guides the subsequent data collection, processing,
and analysis activities
Who should be included as stakeholders in an analytics project?
- Anyone who will benefit from the project
, Page |2
- Anyone who has relevant skills
- Anyone who is available to participate
- Anyone who is a manager in the organization - ANSWER-
Anyone who will benefit from the project.
Who offers suggestions on ideas to test as the team formulates
hypotheses during the discovery phase of a data analytics
project?
- Data scientists
- Data visualization specialists
- Project managers
- Marketing experts - ANSWER-Data scientists
Which activity occurs during the data preparation phase of the
data analytics lifecycle?
- Discovery of data
- Modeling of data
, Page |3
- Collection of data
- Understanding of data - ANSWER-Understanding of data
Which data visualization is most suitable for understanding the
trend and progression of a variable over time in the data
preparation phase?
Histograms
Scatter plots
Box plots
Line charts - ANSWER-Line charts
Which task is commonly performed to identify and address data
quality issues during the data preparation phase?
- Performing data deduplication
- Developing data visualization
- Conducting data profiling
- Executing data integration - ANSWER-Conducting data profiling
, Page |4
Which common data cleaning task is used to address the missing
data in a data set?
- Normalization
- Handling outliers
- Data transformation
- Imputation - ANSWER-Imputation
normalization - ANSWER-the process of organizing data in a
database.
It includes creating tables and establishing relationships between
those tables according to rules designed both to protect the data
and to make the database more flexible by eliminating
redundancy and inconsistent dependency.
Which task is typically performed to handle outliers during the
data preparation phase?
