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Graded Quiz :Introduction to Data Analytics (IBM Data Analyst Professional Certificate) Answers 2025

1. Question 1

What are some steps in the process of Identifying Data? (Select all that apply)

  • Determine the information you want to collect

  • ❌ Determine the visualization tools that you will use

  • Define a plan for collecting data

  • ❌ Define the checkpoints

Explanation:
“Identifying Data” focuses on what data is needed and how to collect it, not tools or checkpoints.


2. Question 2

What type of data refers to information obtained directly from the source?

  • ❌ Secondary data

  • ❌ Sensor data

  • ❌ Third-party data

  • Primary data

Explanation:
Primary data = data collected firsthand from the original source.


3. Question 3

Web scraping is used to extract what type of data?

  • Text, videos, and images

  • ❌ Text, videos, and data from relational databases

  • ❌ Images, videos, and data from NoSQL databases

  • ❌ Data from news sites and NoSQL databases

Explanation:
Web scraping extracts webpage content such as text, images, and videos from websites.


4. Question 4

Data obtained from an organization’s internal CRM, HR, or workflow apps is:

  • ❌ Primary data

  • ❌ Third-party data

  • ❌ Copyright-free data

  • Secondary data

Explanation:
Internal business system data is considered secondary data because it was collected previously for operational use, not newly collected.


5. Question 5

Which option offers simple commands to specify what to retrieve from a relational database?

  • ❌ API

  • SQL

  • ❌ Web Scraping

  • ❌ RSS Feed

Explanation:
SQL provides structured commands (SELECT, WHERE, JOIN, etc.) to retrieve data from relational databases.


🧾 Summary Table

Q# Correct Answer Key Concept
1 Determine information; Define plan Steps in identifying data
2 Primary data Data from original source
3 Text, videos, images What web scraping retrieves
4 Secondary data Internal business systems
5 SQL Query relational databases