INTRODUCTION TO ANALYTICS D491 DATA ANALYSIS 2026/2027 || DATA
ANALYTICS FUNDAMENTALS || DATA INTERPRETATION & VISUALIZATION
|| BASIC STATISTICS & BUSINESS INSIGHTS || OA PRACTICE QUESTIONS
WITH VERIFIED ANSWERS || GRADED A+
What is data analytics?
- The process of analyzing data to extract insights
- The process of encrypting data to keep it secure
- The process of storing data in a secure location for future use
- The process of collecting data from various sources
The process of analyzing data to extract insights
What is data science?
- The practice of using statistical methods to extract insights from data
- A field that involves creating data visualizations to provide insights
- The process of creating computer programs to automate tasks
- The study of how computers interact with human language
The practice of using statistical methods to extract insights from data
How is data science different from data analytics?
- 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.
Data science focuses on developing new algorithms and models, while data
analytics focuses on using existing models to analyze data.
Which comparison describes the difference between data analytics and data
science?
- 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.
Data analytics is the process of analyzing data to extract insights, while data
science involves building and testing models to make predictions.
Which type of data analytics project aims to determine why something
happened in the past?
- Diagnostic
- Descriptive
- Predictive
- Prescriptive
Diagnostic
What are the different types of data analytics projects?
- 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
Descriptive, diagnostic, predictive, and prescriptive analytics
What is the difference between exploratory and confirmatory data analytics
projects?
- 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.
Exploratory projects involve testing hypotheses and finding patterns in data,
while confirmatory projects involve verifying existing hypotheses.
NOT CORRECT
,Which project is considered a data analytics project?
- 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
Creating a dashboard to visualize sales data and monitor inventory levels for a
grocery store chain
Why is quality control/assurance crucial for data 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.
It ensures that the data is accurate and reliable.
What does a data analyst do in a data analytics project?
- 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
Conducts exploratory data analysis to identify trends and patterns
What is the function of a data scientist in an organization?
- 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
To conduct statistical analysis and machine learning modeling
What is the role of a business intelligence analyst?
- 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
Designing and maintaining data visualizations and dashboards
What is a primary responsibility of a data engineer?
- 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
Designing and implementing data storage solutions
What is a primary responsibility of a machine learning 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
Developing predictive models using machine learning algorithms
What is a primary responsibility of a machine learning engineer?
- To pilot the model, refine it, and fully deploy it
- Designing and maintaining data visualizations and dashboards
- Developing predictive models using machine learning algorithms
- Business domain knowledge and communication
Developing predictive models using machine learning algorithms
What is the role and function of a decision scientist within an organization?
- To oversee the company's human resources and ensure employee satisfaction
- To analyze data and provide insights to support informed decision-making
- To develop marketing strategies and increase sales revenue
- To manage the company's finances and ensure profitability
To analyze data and provide insights to support informed decision-making
What is a primary responsibility of a data analyst?
- Developing data visualizations for stakeholders
- Designing and implementing data storage solutions
- Conducting statistical analysis to identify patterns and trends
- Developing predictive models using machine learning algorithms
Conducting statistical analysis to identify patterns and trends
ANALYTICS FUNDAMENTALS || DATA INTERPRETATION & VISUALIZATION
|| BASIC STATISTICS & BUSINESS INSIGHTS || OA PRACTICE QUESTIONS
WITH VERIFIED ANSWERS || GRADED A+
What is data analytics?
- The process of analyzing data to extract insights
- The process of encrypting data to keep it secure
- The process of storing data in a secure location for future use
- The process of collecting data from various sources
The process of analyzing data to extract insights
What is data science?
- The practice of using statistical methods to extract insights from data
- A field that involves creating data visualizations to provide insights
- The process of creating computer programs to automate tasks
- The study of how computers interact with human language
The practice of using statistical methods to extract insights from data
How is data science different from data analytics?
- 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.
Data science focuses on developing new algorithms and models, while data
analytics focuses on using existing models to analyze data.
Which comparison describes the difference between data analytics and data
science?
- 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.
Data analytics is the process of analyzing data to extract insights, while data
science involves building and testing models to make predictions.
Which type of data analytics project aims to determine why something
happened in the past?
- Diagnostic
- Descriptive
- Predictive
- Prescriptive
Diagnostic
What are the different types of data analytics projects?
- 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
Descriptive, diagnostic, predictive, and prescriptive analytics
What is the difference between exploratory and confirmatory data analytics
projects?
- 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.
Exploratory projects involve testing hypotheses and finding patterns in data,
while confirmatory projects involve verifying existing hypotheses.
NOT CORRECT
,Which project is considered a data analytics project?
- 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
Creating a dashboard to visualize sales data and monitor inventory levels for a
grocery store chain
Why is quality control/assurance crucial for data 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.
It ensures that the data is accurate and reliable.
What does a data analyst do in a data analytics project?
- 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
Conducts exploratory data analysis to identify trends and patterns
What is the function of a data scientist in an organization?
- 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
To conduct statistical analysis and machine learning modeling
What is the role of a business intelligence analyst?
- 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
Designing and maintaining data visualizations and dashboards
What is a primary responsibility of a data engineer?
- 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
Designing and implementing data storage solutions
What is a primary responsibility of a machine learning 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
Developing predictive models using machine learning algorithms
What is a primary responsibility of a machine learning engineer?
- To pilot the model, refine it, and fully deploy it
- Designing and maintaining data visualizations and dashboards
- Developing predictive models using machine learning algorithms
- Business domain knowledge and communication
Developing predictive models using machine learning algorithms
What is the role and function of a decision scientist within an organization?
- To oversee the company's human resources and ensure employee satisfaction
- To analyze data and provide insights to support informed decision-making
- To develop marketing strategies and increase sales revenue
- To manage the company's finances and ensure profitability
To analyze data and provide insights to support informed decision-making
What is a primary responsibility of a data analyst?
- Developing data visualizations for stakeholders
- Designing and implementing data storage solutions
- Conducting statistical analysis to identify patterns and trends
- Developing predictive models using machine learning algorithms
Conducting statistical analysis to identify patterns and trends
