D491 INTRODUCTION TO ANALYTICS |
COMPREHENSIVE OBJECTIVE
ASSESSMENT STUDY GUIDE 2026|
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Updated 2026 Questions and Answers | 100% Verified
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,How is data science different from data analytics? Data science focuses on developing new algorithms and models, while data
analytics focuses on using existing models to analyze data.
- Data science focuses more on tracking experimental
data, and data analytics is based on statistical methods
and hypotheses.
- Data science focuses on developing new algorithms
and models, while data analytics focuses on using
existing models to analyze data.
- Data science focuses more on data visualization, while
data analytics focuses on data cleaning and
preprocessing.
- Data science involves creating new algorithms, while
data analytics uses existing statistical methods.
Which comparison describes the difference between Data analytics is the process of analyzing data to extract insights, while data
data analytics and data science? science involves building and testing models to make predictions.
- Data analytics focuses on descriptive analysis, while
data science focuses on prescriptive analysis.
- Data analytics is the process of analyzing data to extract
insights, while data science involves building and testing
models to make predictions.
- Data analytics focuses on statistics, and data science
mainly focuses on qualitative reasoning.
- Data science involves analyzing data from structured
sources, while data analytics involves analyzing data from
unstructured sources.
Which type of data analytics project aims to determine Diagnostic
why something happened in the past?
- Diagnostic
- Descriptive
- Predictive
- Prescriptive
,What are the different types of data analytics projects? Descriptive, diagnostic, predictive, and prescriptive analytics
- Data warehousing, data mining, data visualization, and
business intelligence
- Regression analysis, time series analysis, text analytics,
and network analysis
- Data collection, data cleaning, data transformation, and
data visualization
- Descriptive, diagnostic, predictive, and prescriptive
analytics
What is the difference between exploratory and Exploratory projects involve testing hypotheses and finding patterns in data, while
confirmatory data analytics projects? confirmatory projects involve verifying existing hypotheses.
NOT CORRECT
- Exploratory projects involve testing hypotheses and
finding patterns in data, while confirmatory projects
involve verifying existing hypotheses.
- Exploratory projects involve analyzing data that is
already structured, while confirmatory projects involve
analyzing unstructured data.
- Exploratory projects involve analyzing large datasets,
while confirmatory projects involve analyzing smaller
datasets.
- Exploratory projects involve analyzing data from a
single source, while confirmatory projects involve
integrating data from multiple sources.
Which project is considered a data analytics project? Creating a dashboard to visualize sales data and monitor inventory levels for a
grocery store chain
- Developing a recommendation system to suggest new
products to customers based on their past purchases
- Creating a dashboard to visualize sales data and
monitor inventory levels for a grocery store chain
- Building a predictive model to forecast stock prices for
a financial services company
- Designing a database schema to store customer
information for a retail store
Why is quality control/assurance crucial for data It ensures that the data is accurate and reliable.
engineers in a data analytics project?
- It ensures that the data is analyzed in a timely manner.
- It ensures that the data is stored in a secure location.
- It ensures that the data is accurate and reliable.
- It ensures that the data is accessible to all stakeholders.
What does a data analyst do in a data analytics project? Conducts exploratory data analysis to identify trends and patterns
- Conducts exploratory data analysis to identify trends
and patterns
- Focuses on building machine learning models
- Oversees data governance and data quality assurance
- Designs and develops databases and data pipelines
, What is the function of a data scientist in an organization? To conduct statistical analysis and machine learning modeling
- To design and maintain data visualizations and
dashboards
- To oversee data governance and compliance
- To work independently to analyze data and make
decisions based on their findings
- To conduct statistical analysis and machine learning
modeling
What is the role of a business intelligence analyst? Designing and maintaining data visualizations and dashboards
- Overseeing data governance and compliance
- Developing and implementing data processing
pipelines
- Designing and maintaining data visualizations and
dashboards
- Conducting statistical analysis and machine learning
modeling
What is a primary responsibility of a data engineer? Designing and implementing data storage solutions
- Designing and implementing data storage solutions
- Designing and developing data visualizations for
stakeholders
- Analyzing and interpreting data to inform business
decisions
- Developing predictive models using machine learning
algorithms
What is a primary responsibility of a machine learning Developing predictive models using machine learning algorithms
engineer?
- Developing predictive models using machine learning
algorithms
- Analyzing and interpreting data to inform business
decisions
- Designing and developing data visualizations for
stakeholders
- Designing and implementing data storage solutions