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What is the primary purpose of data analysis?

• To randomly store data for future use
  
  

• To manually process large datasets without software
  
  

• To extract meaningful insights from raw data for decision-making

• To eliminate the need for human decision-making
  

 Which of the following is a key component of data management?

• Data governance

• Social media marketing
  

• Video editing
  

• Hardware maintenance
  

What type of analytics is used to understand past events and trends?

• Prescriptive analytics
  

• Descriptive analytics

• Predictive analytics
  

• Diagnostic analytics
  

Which of the following is NOT considered a data visualization tool?

• Tableau
  

• Microsoft Power BI
  

• Python IDE (Integrated Development Environment)

• Google Data Studio
  

 What does ETL stand for in data management?

• Evaluate, Track, List
  

• 
  Edit, Tag, Log
  
  

• Encrypt, Transfer, Lock
  
  

• Extract, Transform, Load

Predictive analytics is primarily used to:

• Analyze historical trends without forecasting
  

• Make future predictions based on historical data
  

• Provide detailed descriptions of past events
  
  

• Generate random outcomes
  

Why is data governance important?

• It prevents data from being stored
  

• It restricts data usage to only large corporations
  

• It eliminates the need for databases

• It ensures data quality, security, and compliance with regulations

What is a major ethical concern in data analysis?

• Privacy and data security risks

• The use of data for entertainment purposes
  
  

• The number of software tools available
  

• The cost of storage hardware
  

Which of the following is an example of prescriptive analytics?

• Predicting next quarter’s revenue

• Determining why website traffic decreased last month
  
  

• Identifying trends in last year’s sales
  

• Suggesting the best marketing strategy based on data insights

 What is the main role of data visualization?

•  To store large amounts of data efficiently

• To present complex data in an easily understandable format

• 
  To remove inconsistencies in datasets
  
  

• 
  To replace the need for statistical analysis