WGU - Introduction to Analytics - D491 Test Exam
Questions and Verified Answers 100%
1. Which role is responsible for project initiation and providing the require- ments for a
project?: Project sponsor
2. Which job position is primarily responsible for designing and constructing data
pipelines within the field of data analytics?: Data engineer
3. Which role in a data analytics project helps data scientists shape data for analysis?:
Data engineer
4. Which role in a data analytics project provides expertise for analytical
techniques?: Data scientist
5. Which skills are required by data scientists for converting unstructured data to
structured data in data analytics projects?: Data wrangling skills
6. Which skill must a business intelligence analyst possess to collect and organize
data?: Data preparation
7. Which project-related activity typically takes up the majority of a data ana- lyst's
time?: Data preparation
8. Which software do business intelligence analysts use to perform their
responsibilities?: Microsoft Excel
9. What is a skill required of a data engineer?: Maintaining databases
10. delete:
11. Which group of stakeholders comprises the professionals, such as line managers?:
Business users
12. Which stakeholder is primarily responsible for ensuring the desired quality of the
,project?: Project managers
13. Which stakeholder has access to essential tables or storage systems and guarantees
the highest levels of security in the data repository?: Database administrator
14. Why is it significant to establish failure criteria for a data analytics project in the
discovery phase?: It helps the team determine when it is best to accept the conclusions.
15. Which stakeholder extracts and transforms data during the discovery phase?:
Data engineer
16. A person has been assigned to manage a project to implement a compa- ny-wide
customer relationship management (CRM) system. The CRM system aims to centralize
customer details, automate sales processes, and improve customer service.
What skills are crucial for the project team members working on the CRM system
implementation?: Data analysis, system integration, and training
, 17. Why is formulating an initial hypothesis an integral part of the discovery phase of the
data analytics lifecycle?: It guides the subsequent data collection, processing, and
analysis activities.
18. Who should be included as stakeholders in an analytics project?: Anyone who will
benefit from the project
19. Who offers suggestions on ideas to test as the team formulates hypothe- ses during
the discovery phase of a data analytics project?: Data scientists
20. Which activity occurs during the data preparation phase of the data ana- lytics
lifecycle?: Understanding of data
21. Which data visualization is most suitable for understanding the trend and
progression of a variable over time in the data preparation phase?: Line charts
22. Which task is commonly performed to identify and address data quality issues
during the data preparation phase?: Conducting data profiling
23. Which common data cleaning task is used to address the missing data in a data set?:
Imputation
24. Which task is typically performed to handle outliers during the data prepa- ration
phase?: Truncating extreme values
25. A data analyst at a retail company is provided with a large dataset contain- ing sales
transactions, customer information, and product details. The analyst is tasked with
preparing the data for analysis and modeling.
Which activity would the analyst perform during the data preparation phase?-
: Exploring available data to understand its characteristics and suitability
26. Which activity is performed during the model planning phase of a data analysis
Questions and Verified Answers 100%
1. Which role is responsible for project initiation and providing the require- ments for a
project?: Project sponsor
2. Which job position is primarily responsible for designing and constructing data
pipelines within the field of data analytics?: Data engineer
3. Which role in a data analytics project helps data scientists shape data for analysis?:
Data engineer
4. Which role in a data analytics project provides expertise for analytical
techniques?: Data scientist
5. Which skills are required by data scientists for converting unstructured data to
structured data in data analytics projects?: Data wrangling skills
6. Which skill must a business intelligence analyst possess to collect and organize
data?: Data preparation
7. Which project-related activity typically takes up the majority of a data ana- lyst's
time?: Data preparation
8. Which software do business intelligence analysts use to perform their
responsibilities?: Microsoft Excel
9. What is a skill required of a data engineer?: Maintaining databases
10. delete:
11. Which group of stakeholders comprises the professionals, such as line managers?:
Business users
12. Which stakeholder is primarily responsible for ensuring the desired quality of the
,project?: Project managers
13. Which stakeholder has access to essential tables or storage systems and guarantees
the highest levels of security in the data repository?: Database administrator
14. Why is it significant to establish failure criteria for a data analytics project in the
discovery phase?: It helps the team determine when it is best to accept the conclusions.
15. Which stakeholder extracts and transforms data during the discovery phase?:
Data engineer
16. A person has been assigned to manage a project to implement a compa- ny-wide
customer relationship management (CRM) system. The CRM system aims to centralize
customer details, automate sales processes, and improve customer service.
What skills are crucial for the project team members working on the CRM system
implementation?: Data analysis, system integration, and training
, 17. Why is formulating an initial hypothesis an integral part of the discovery phase of the
data analytics lifecycle?: It guides the subsequent data collection, processing, and
analysis activities.
18. Who should be included as stakeholders in an analytics project?: Anyone who will
benefit from the project
19. Who offers suggestions on ideas to test as the team formulates hypothe- ses during
the discovery phase of a data analytics project?: Data scientists
20. Which activity occurs during the data preparation phase of the data ana- lytics
lifecycle?: Understanding of data
21. Which data visualization is most suitable for understanding the trend and
progression of a variable over time in the data preparation phase?: Line charts
22. Which task is commonly performed to identify and address data quality issues
during the data preparation phase?: Conducting data profiling
23. Which common data cleaning task is used to address the missing data in a data set?:
Imputation
24. Which task is typically performed to handle outliers during the data prepa- ration
phase?: Truncating extreme values
25. A data analyst at a retail company is provided with a large dataset contain- ing sales
transactions, customer information, and product details. The analyst is tasked with
preparing the data for analysis and modeling.
Which activity would the analyst perform during the data preparation phase?-
: Exploring available data to understand its characteristics and suitability
26. Which activity is performed during the model planning phase of a data analysis
