Module quiz: Data analysis in business :Harnessing the Power of Data with Power BI (Microsoft Power BI Data Analyst Professional Certificate) Answers 2025
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Here are the complete MCQ answers in your strict required format ✅❌, with clear explanations and a 🧾 Summary Table including the Correct Option column.
Question 1
True or False:
The model stage in the data analysis process is the one focused on creating a data model that represents the structure, relationships, and constraints of the data.
✅ True
❌ False
Explanation:
The model stage is specifically about defining how data is structured, related, and constrained so it can be analyzed efficiently.
Question 2
In the data analysis process, what are the goals of data visualization? (Select all that apply)
✅ To explore data and identify patterns
❌ To clean and pre-process raw data
✅ To communicate findings effectively
❌ To create a data model
Explanation:
Data visualization helps analysts understand patterns and communicate insights clearly, not clean data or build models.
Question 3
True or False:
The main responsibility of a Database Administrator (DBA) is building and maintaining the data infrastructure, including data pipelines, storage systems, and processing platforms.
❌ True
✅ False
Explanation:
This responsibility belongs to data engineers. DBAs focus on database performance, security, backups, and availability.
Question 4
What is an important action to ensure your data report is accessible to users with disabilities?
❌ Reduce the depth of data cleaning and preparation
✅ Follow the Web Content Accessibility Guidelines (WCAG)
❌ Use complex color schemes
❌ Use small font sizes
Explanation:
WCAG ensures reports are accessible through readable fonts, contrast, screen reader support, and inclusive design.
Question 5
What are some reasons to establish a data storage and refresh schedule for your reports? (Select all that apply)
✅ To maintain data consistency across different reports
✅ To ensure the data is always up-to-date
❌ To make the reports visually appealing
❌ To reduce the number of users accessing the reports
Explanation:
Scheduled refresh ensures accuracy, reliability, and consistency of data across reports.
Question 6
What are some primary purposes of data insights in the context of business decision-making? (Select all that apply)
✅ To inform business decisions and drive growth
✅ To optimize business processes and improve efficiency
❌ To create visually appealing reports
❌ To collect as much data as possible
Explanation:
Data insights exist to support decisions and improve operations, not just visuals or data hoarding.
Question 7
What is the primary purpose of data insights in the final stage of data analysis?
❌ To select the most appropriate data visualization techniques
✅ To identify trends, patterns, and opportunities
❌ To automate the entire data analysis process
❌ To validate the data collection methods
Explanation:
The final stage focuses on extracting meaning that can guide actions and strategy.
Question 8
What Microsoft Power BI feature is primarily used for cleaning, transforming, and reshaping data according to user requirements?
❌ Data Analysis Expressions (DAX)
✅ Query Editor
❌ Fields Pane
❌ Visualizations Pane
Explanation:
Power Query (Query Editor) is designed specifically for data cleaning and transformation.
Question 9
Which non-technical skills are crucial for data analysts when presenting findings to stakeholders? (Select all that apply)
✅ Diplomacy
✅ Effective communication
❌ Problem-solving
❌ Data visualization design
Explanation:
When presenting, analysts must communicate clearly and handle discussions diplomatically, especially with non-technical audiences.
Question 10
True or False:
The scope of data in the context of data analysis refers to the context within which the data is collected, organized, and analyzed, including boundaries or limits and the size or amount of the data.
✅ True
❌ False
Explanation:
Data scope defines what data is included, how much, and within which boundaries it is analyzed.
🧾 Summary Table
| Question | Correct Answer(s) | Correct Option | Key Concept |
|---|---|---|---|
| Q1 | True | True | Data modeling stage |
| Q2 | Explore data, Communicate findings | A, C | Purpose of visualization |
| Q3 | False | False | DBA vs Data Engineer |
| Q4 | Follow WCAG | B | Accessibility standards |
| Q5 | Consistency, Up-to-date data | A, B | Data refresh scheduling |
| Q6 | Decisions, Efficiency | A, B | Business value of insights |
| Q7 | Identify trends & opportunities | B | Final analysis goal |
| Q8 | Query Editor | B | Power BI data transformation |
| Q9 | Diplomacy, Communication | A, B | Stakeholder presentation |
| Q10 | True | True | Data scope definition |