WGU D491: Introduction To Analytics – Questions With
Fully Explained Solutions
Which activity occurs during the data preparation phase of the data analytics
lifecycle?
Discovery of data
Modeling of data
Collection of data
Understanding of data Correct 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 Correct 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 Correct Answer - Conducting data profiling
,Which skills are required by data scientists for converting unstructured data
to structured data in data analytics projects?
Data visualization skills
Data wrangling skills
Text mining skills
Machine learning skills Correct Answer - Data wrangling skills
Which skill must a business intelligence analyst possess to collect and
organize data?
Data preparation
Data visualization
Data modeling
Machine learning Correct Answer - Data preparation
Which project-related activity typically takes up the majority of a data
analyst's time?
Data preparation
Data interpretation
Conducting A/B testing
Building models Correct Answer - Data preparation
,What is a skill required of a data engineer?
Creating data visualizations
Maintaining databases
Training machine learning models
Writing programs that perform data analysis Correct Answer -
Maintaining databases
Which software do business intelligence analysts use to perform their
responsibilities?
Microsoft Excel
R
Python
Minitab Correct Answer - Microsoft Excel
Which role is responsible for project initiation and providing the
requirements for a project?
Business intelligence analyst
Project sponsor
Business user
, Data scientist Correct Answer - Project sponsor
Which job position is primarily responsible for designing and constructing
data pipelines within the field of data analytics?
Data analyst
Data scientist
Data administrator
Data engineer Correct Answer - Data engineer
Which role in a data analytics project helps data scientists shape data for
analysis?
Project sponsor
Data engineer
Business intelligence analyst
Database administrator Correct Answer - Data engineer
Which role in a data analytics project provides expertise for analytical
techniques?
Data engineer
Business intelligence analyst
Fully Explained Solutions
Which activity occurs during the data preparation phase of the data analytics
lifecycle?
Discovery of data
Modeling of data
Collection of data
Understanding of data Correct 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 Correct 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 Correct Answer - Conducting data profiling
,Which skills are required by data scientists for converting unstructured data
to structured data in data analytics projects?
Data visualization skills
Data wrangling skills
Text mining skills
Machine learning skills Correct Answer - Data wrangling skills
Which skill must a business intelligence analyst possess to collect and
organize data?
Data preparation
Data visualization
Data modeling
Machine learning Correct Answer - Data preparation
Which project-related activity typically takes up the majority of a data
analyst's time?
Data preparation
Data interpretation
Conducting A/B testing
Building models Correct Answer - Data preparation
,What is a skill required of a data engineer?
Creating data visualizations
Maintaining databases
Training machine learning models
Writing programs that perform data analysis Correct Answer -
Maintaining databases
Which software do business intelligence analysts use to perform their
responsibilities?
Microsoft Excel
R
Python
Minitab Correct Answer - Microsoft Excel
Which role is responsible for project initiation and providing the
requirements for a project?
Business intelligence analyst
Project sponsor
Business user
, Data scientist Correct Answer - Project sponsor
Which job position is primarily responsible for designing and constructing
data pipelines within the field of data analytics?
Data analyst
Data scientist
Data administrator
Data engineer Correct Answer - Data engineer
Which role in a data analytics project helps data scientists shape data for
analysis?
Project sponsor
Data engineer
Business intelligence analyst
Database administrator Correct Answer - Data engineer
Which role in a data analytics project provides expertise for analytical
techniques?
Data engineer
Business intelligence analyst
