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WGU D491 INTRODUCTION TO ANALYTICS OA EXAM
1.Which role is responsible for project initiation and providing the require-
ments for a project? ..> correct answer >> Project sponsor
2.Which job position is primarily responsible for designing and
constructing data pipelines within the field of data analytics? ..> correct
answer >> Data engineer
3.Which role in a data analytics project helps data scientists shape data for
analysis? ..> correct answer >> Data engineer
4.Which role in a data analytics project provides expertise for analytical
techniques? ..> correct answer >> Data scientist
5.Which skills are required by data scientists for converting unstructured
data to structured data in data analytics projects? ..> correct answer >>
Data wrangling skills
6.Which skill must a business intelligence analyst possess to collect and
organize data? ..> correct answer >> Data preparation
7.Which project-related activity typically takes up the majority of a data ana-
lyst's time? ..> correct answer >> Data preparation
8.Which software do business intelligence analysts use to perform
their responsibilities? ..> correct answer >> Microsoft Excel
9.What is a skill required of a data engineer? ..> correct answer >>
Maintaining databases
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11.Which group of stakeholders comprises the professionals, such as line
managers? ..> correct answer >> Business users
12.Which stakeholder is primarily responsible for ensuring the desired quality
of the project? ..> correct answer >> Project managers
13.Which stakeholder has access to essential tables or storage systems
and guarantees the highest levels of security in the data repository? ..>
correct answer >> Database administrator
14.Why is it significant to establish failure criteria for a data analytics project
in the discovery phase? ..> correct answer >> It helps the team determine when
it is best to accept the conclusions.
15.Which stakeholder extracts and transforms data during the discovery
phase? ..> correct answer >> Data engineer
16.A person has been assigned to manage a project to implement a company-
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? ..> correct answer >> 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? ..> correct answer >> It guides the
subsequent data collection, processing, and analysis activities.
18.Who should be included as stakeholders in an analytics project? ..> correct
answer >> Anyone who will benefit from the project
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19.Who offers suggestions on ideas to test as the team formulates hypothe-
ses during the discovery phase of a data analytics project? ..> correct answer
>> Data scientists
20.Which activity occurs during the data preparation phase of the data
analytics lifecycle? ..> correct answer >> 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? ..> correct
answer >> Line charts
22.Which task is commonly performed to identify and address data
quality issues during the data preparation phase? ..> correct answer >>
Conducting data profiling
23.Which common data cleaning task is used to address the missing data in
a data set? ..> correct answer >> Imputation
24.Which task is typically performed to handle outliers during the data prepa-
ration phase? ..> correct answer >> 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?-
..> correct answer >> Exploring available data to understand its
characteristics and suitability
26.Which activity is performed during the model planning phase of a
data analysis project? ..> correct answer >> Selecting relevant features
for modeling
27.Which programming language is primarily used for statistical analysis and
data manipulation in the model planning phase? ..> correct answer >>
R
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28.Which classification model is based on the concept of probability and
assigns class labels to instances based on the possibility of belonging to a
particular class? ..> correct answer >> Naive Bayes
29.Which tool is used to connect users to relational databases and data
warehouse appliances in the model planning phase? ..> correct
answe
r SAS/ACCESS
>>
30.Which regression model is commonly used for predicting a
continuous numerical outcome based on a set of ..>
correct answer >> input features? Linear regression
31.Which phase of the data analytics life cycle involves running analytical
software packages on small datasets to test and refine models?
..> correct answer >> Model execu- tion phase
32.Which step is typically performed after executing the model in the model
execution phase? ..> correct answer >> Result analysis
33.Which testing procedure is used for evaluating the performance of a model
in the data analytics life cycle? ..> correct answer >> Crossvalidation
34.What is the role of the SPSS modeler in the model execution phase of the
data analytics life cycle? ..> correct answer >> It is used for applying the trained
model to new data for predictions.
35.How does the communication of results tie to the operationalize phase of
data analytics? ..> correct answer >> It implements data-driven insights into
business functions.
36.Which data visualization tool in the communicate results phase is used to
create web-based visualization? ..> correct answer >> D3.js
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WGU D491 INTRODUCTION TO ANALYTICS OA EXAM
1.Which role is responsible for project initiation and providing the require-
ments for a project? ..> correct answer >> Project sponsor
2.Which job position is primarily responsible for designing and
constructing data pipelines within the field of data analytics? ..> correct
answer >> Data engineer
3.Which role in a data analytics project helps data scientists shape data for
analysis? ..> correct answer >> Data engineer
4.Which role in a data analytics project provides expertise for analytical
techniques? ..> correct answer >> Data scientist
5.Which skills are required by data scientists for converting unstructured
data to structured data in data analytics projects? ..> correct answer >>
Data wrangling skills
6.Which skill must a business intelligence analyst possess to collect and
organize data? ..> correct answer >> Data preparation
7.Which project-related activity typically takes up the majority of a data ana-
lyst's time? ..> correct answer >> Data preparation
8.Which software do business intelligence analysts use to perform
their responsibilities? ..> correct answer >> Microsoft Excel
9.What is a skill required of a data engineer? ..> correct answer >>
Maintaining databases
Downloaded by morren nyutu ()
, lOMoARcPSD| 63525276
10.delete ..> correct answer >>
11.Which group of stakeholders comprises the professionals, such as line
managers? ..> correct answer >> Business users
12.Which stakeholder is primarily responsible for ensuring the desired quality
of the project? ..> correct answer >> Project managers
13.Which stakeholder has access to essential tables or storage systems
and guarantees the highest levels of security in the data repository? ..>
correct answer >> Database administrator
14.Why is it significant to establish failure criteria for a data analytics project
in the discovery phase? ..> correct answer >> It helps the team determine when
it is best to accept the conclusions.
15.Which stakeholder extracts and transforms data during the discovery
phase? ..> correct answer >> Data engineer
16.A person has been assigned to manage a project to implement a company-
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? ..> correct answer >> 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? ..> correct answer >> It guides the
subsequent data collection, processing, and analysis activities.
18.Who should be included as stakeholders in an analytics project? ..> correct
answer >> Anyone who will benefit from the project
Downloaded by morren nyutu ()
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19.Who offers suggestions on ideas to test as the team formulates hypothe-
ses during the discovery phase of a data analytics project? ..> correct answer
>> Data scientists
20.Which activity occurs during the data preparation phase of the data
analytics lifecycle? ..> correct answer >> 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? ..> correct
answer >> Line charts
22.Which task is commonly performed to identify and address data
quality issues during the data preparation phase? ..> correct answer >>
Conducting data profiling
23.Which common data cleaning task is used to address the missing data in
a data set? ..> correct answer >> Imputation
24.Which task is typically performed to handle outliers during the data prepa-
ration phase? ..> correct answer >> 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?-
..> correct answer >> Exploring available data to understand its
characteristics and suitability
26.Which activity is performed during the model planning phase of a
data analysis project? ..> correct answer >> Selecting relevant features
for modeling
27.Which programming language is primarily used for statistical analysis and
data manipulation in the model planning phase? ..> correct answer >>
R
Downloaded by morren nyutu ()
, lOMoARcPSD| 63525276
28.Which classification model is based on the concept of probability and
assigns class labels to instances based on the possibility of belonging to a
particular class? ..> correct answer >> Naive Bayes
29.Which tool is used to connect users to relational databases and data
warehouse appliances in the model planning phase? ..> correct
answe
r SAS/ACCESS
>>
30.Which regression model is commonly used for predicting a
continuous numerical outcome based on a set of ..>
correct answer >> input features? Linear regression
31.Which phase of the data analytics life cycle involves running analytical
software packages on small datasets to test and refine models?
..> correct answer >> Model execu- tion phase
32.Which step is typically performed after executing the model in the model
execution phase? ..> correct answer >> Result analysis
33.Which testing procedure is used for evaluating the performance of a model
in the data analytics life cycle? ..> correct answer >> Crossvalidation
34.What is the role of the SPSS modeler in the model execution phase of the
data analytics life cycle? ..> correct answer >> It is used for applying the trained
model to new data for predictions.
35.How does the communication of results tie to the operationalize phase of
data analytics? ..> correct answer >> It implements data-driven insights into
business functions.
36.Which data visualization tool in the communicate results phase is used to
create web-based visualization? ..> correct answer >> D3.js
Downloaded by morren nyutu ()
