Fall Semester 2025 UNISA Assignment: AIN3701 Automation and Data
Analysis – Complete Solved Assignment with Step-by-Step Answers and
Exam-Focused Study Guide (Updated 2025 Edition)
Question 1
What is the primary purpose of automation in data analysis?
• A) To reduce human error
• B) To increase labor costs
• C) To eliminate the need for data
• D) To complicate processes
CORRECT ANSWER: A) To reduce human error
Rationale: The primary goal of automation in data analysis is to minimize human error
and streamline processes, allowing for more accurate and efficient outcomes.
Question 2
Which of the following tools is commonly used for data visualization?
• A) Microsoft Word
• B) Tableau
• C) Notepad
• D) Photoshop
CORRECT ANSWER: B) Tableau
Rationale: Tableau is widely recognized as a powerful data visualization tool that helps
in presenting data in a visually appealing and understandable manner.
Question 3
In programming, an 'API' stands for what?
• A) Application Performance Indicator
• B) Application Programming Interface
• C) Automatic Processing Interface
• D) Applied Programming Integration
CORRECT ANSWER: B) Application Programming Interface
Rationale: An API is a set of rules that allows different software entities to
communicate with one another, facilitating the integration of systems and automation.
,Question 4
Which of the following statistical techniques is used to predict future outcomes based
on historical data?
• A) Descriptive statistics
• B) Regression analysis
• C) Hypothesis testing
• D) Data cleaning
CORRECT ANSWER: B) Regression analysis
Rationale: Regression analysis is a statistical method that models the relationship
between dependent and independent variables, allowing for the prediction of future
values.
Question 5
What is the primary function of data cleaning in data analysis?
• A) To create new data
• B) To improve data accuracy and quality
• C) To visualize data
• D) To automate reports
CORRECT ANSWER: B) To improve data accuracy and quality
Rationale: Data cleaning involves identifying and correcting errors in the data set,
which enhances the reliability and quality of the analysis conducted.
Question 1
What is the primary purpose of automation in data analysis?
• A) To reduce human error
• B) To increase labor costs
• C) To eliminate the need for data
• D) To complicate processes
CORRECT ANSWER: A) To reduce human error
Rationale: The primary goal of automation in data analysis is to minimize human error
and streamline processes, allowing for more accurate and efficient outcomes.
, Question 2
Which of the following tools is commonly used for data visualization?
• A) Microsoft Word
• B) Tableau
• C) Notepad
• D) Photoshop
CORRECT ANSWER: B) Tableau
Rationale: Tableau is widely recognized as a powerful data visualization tool that helps
in presenting data in a visually appealing and understandable manner.
Question 3
In programming, an 'API' stands for what?
• A) Application Performance Indicator
• B) Application Programming Interface
• C) Automatic Processing Interface
• D) Applied Programming Integration
CORRECT ANSWER: B) Application Programming Interface
Rationale: An API is a set of rules that allows different software entities to
communicate with one another, facilitating the integration of systems and automation.
Question 4
Which of the following statistical techniques is used to predict future outcomes based
on historical data?
• A) Descriptive statistics
• B) Regression analysis
• C) Hypothesis testing
• D) Data cleaning
CORRECT ANSWER: B) Regression analysis
Rationale: Regression analysis is a statistical method that models the relationship
between dependent and independent variables, allowing for the prediction of future
values.
Analysis – Complete Solved Assignment with Step-by-Step Answers and
Exam-Focused Study Guide (Updated 2025 Edition)
Question 1
What is the primary purpose of automation in data analysis?
• A) To reduce human error
• B) To increase labor costs
• C) To eliminate the need for data
• D) To complicate processes
CORRECT ANSWER: A) To reduce human error
Rationale: The primary goal of automation in data analysis is to minimize human error
and streamline processes, allowing for more accurate and efficient outcomes.
Question 2
Which of the following tools is commonly used for data visualization?
• A) Microsoft Word
• B) Tableau
• C) Notepad
• D) Photoshop
CORRECT ANSWER: B) Tableau
Rationale: Tableau is widely recognized as a powerful data visualization tool that helps
in presenting data in a visually appealing and understandable manner.
Question 3
In programming, an 'API' stands for what?
• A) Application Performance Indicator
• B) Application Programming Interface
• C) Automatic Processing Interface
• D) Applied Programming Integration
CORRECT ANSWER: B) Application Programming Interface
Rationale: An API is a set of rules that allows different software entities to
communicate with one another, facilitating the integration of systems and automation.
,Question 4
Which of the following statistical techniques is used to predict future outcomes based
on historical data?
• A) Descriptive statistics
• B) Regression analysis
• C) Hypothesis testing
• D) Data cleaning
CORRECT ANSWER: B) Regression analysis
Rationale: Regression analysis is a statistical method that models the relationship
between dependent and independent variables, allowing for the prediction of future
values.
Question 5
What is the primary function of data cleaning in data analysis?
• A) To create new data
• B) To improve data accuracy and quality
• C) To visualize data
• D) To automate reports
CORRECT ANSWER: B) To improve data accuracy and quality
Rationale: Data cleaning involves identifying and correcting errors in the data set,
which enhances the reliability and quality of the analysis conducted.
Question 1
What is the primary purpose of automation in data analysis?
• A) To reduce human error
• B) To increase labor costs
• C) To eliminate the need for data
• D) To complicate processes
CORRECT ANSWER: A) To reduce human error
Rationale: The primary goal of automation in data analysis is to minimize human error
and streamline processes, allowing for more accurate and efficient outcomes.
, Question 2
Which of the following tools is commonly used for data visualization?
• A) Microsoft Word
• B) Tableau
• C) Notepad
• D) Photoshop
CORRECT ANSWER: B) Tableau
Rationale: Tableau is widely recognized as a powerful data visualization tool that helps
in presenting data in a visually appealing and understandable manner.
Question 3
In programming, an 'API' stands for what?
• A) Application Performance Indicator
• B) Application Programming Interface
• C) Automatic Processing Interface
• D) Applied Programming Integration
CORRECT ANSWER: B) Application Programming Interface
Rationale: An API is a set of rules that allows different software entities to
communicate with one another, facilitating the integration of systems and automation.
Question 4
Which of the following statistical techniques is used to predict future outcomes based
on historical data?
• A) Descriptive statistics
• B) Regression analysis
• C) Hypothesis testing
• D) Data cleaning
CORRECT ANSWER: B) Regression analysis
Rationale: Regression analysis is a statistical method that models the relationship
between dependent and independent variables, allowing for the prediction of future
values.
