Reference Lines Quiz

What you'll be asked

1. What is the primary purpose of adding a reference line to a data visualization?
2. If you want to visualize the average performance of all sales regions on a bar chart, which type of reference line should you add?
3. When is it most appropriate to use a 'Reference Band' instead of a single 'Reference Line'?
4. You are analyzing monthly revenue and want to highlight periods where performance fell below your 'Minimum Acceptable Revenue' target. How should you format the reference line?
5. In a complex scatter plot, you add a reference line at the median of the X-axis and the median of the Y-axis. What does the intersection of these two lines reveal?

Answers and explanations come after you submit.