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

1. Question 1

A modern data ecosystem includes:

  • ✅ Data sources, enterprise data repository, business stakeholders, and tools, applications, and infrastructure to manage data

  • ❌ Social media sources, data repositories, and APIs

  • ❌ Data providers, databases, and programming languages

  • ❌ Data sources, databases, and programming languages

Explanation:
A full data ecosystem includes data sources, repositories, stakeholders, and tools/infrastructure for storing, processing, and analyzing data.

2. Question 2

Data Analysts work within the data ecosystem to:

  • ✅ Gather, clean, mine, and analyze data for deriving insights

  • ❌ Provide business intelligence dashboards

  • ❌ Develop and maintain data architectures

  • ❌ Build machine learning or deep learning models

Explanation:
Data Analysts primarily collect, clean, and analyze data to produce insights, not build ML models or architectures.

3. Question 3

Which type of analytics is used to understand why an event occurred?

  • ✅ Diagnostic Analysis

  • ❌ Predictive Analysis

  • ❌ Prescriptive Analysis

  • ❌ Descriptive Analysis

Explanation:
Diagnostic analytics answers “Why did this happen?” by identifying causes and relationships.

4. Question 4

In the first step of the data analysis process, what are you seeking answers to?

  • ❌ What will be measured and how it will be measured

  • ❌ The data you need

  • ❌ The best tools for sourcing data

  • ✅ Where you are and where you need to be

Explanation:
The first step is understanding the problem and defining the business goal → “current state” vs “desired state.”

5. Question 5

Select the three emerging technologies shaping today’s data ecosystem:

  • ❌ Cloud Computing, Internet of Things, and Dashboarding

  • ❌ Big Data, Internet of Things, and Dashboarding

  • ✅ Cloud Computing, Machine Learning, and Big Data

  • ❌ Machine Language, Cloud Computing, and Internet of Things

Explanation:
The major innovations driving modern data ecosystems are Cloud Computing, Machine Learning, and Big Data.

🧾 Summary Table

Q# Correct Answer Key Concept
1 Data sources + repository + stakeholders + tools Full modern data ecosystem
2 Gather, clean, mine, analyze data Core Data Analyst responsibilities
3 Diagnostic Analysis Understanding why something happened
4 Where you are & where you need to be First step: define problem/business goal
5 Cloud Computing + Machine Learning + Big Data Emerging technologies