### Q1: What is a simple definition of data visualization, and why is it considered a powerful technique?  
### Q2: How can you ensure that your data visualizations are effective and not misleading?  
### Q3: What are some common mistakes to avoid when creating charts and graphs for data visualization?  
### Q4: In what scenarios would you recommend using a pie chart over a bar graph for data representation?  
### Q5: How can integrating multiple visualizations into a dashboard enhance the understanding of key performance indicators?  
### Q6: What are the benefits of using interactive visualizations compared to static ones in a business context?  
### Q7: How can you effectively communicate the importance of accuracy in data visualizations to a non-technical audience?  
### Q8: What strategies can be employed to simplify complex data when presenting it to stakeholders?  
### Q9: How can you encourage feedback on your visualizations to improve future presentations?