Are you a controlling superstar?

Do you master color scales in reports? Test your knowledge on colors and the right way to convey numbers.

Your supervisory board wants a report on the stance in Europe toward the free trade agreement TTIP. You have used a map of Europe to visualize the percentages of supporters by country. Which color scale would you choose?

a) I use traffic-light colors with red for the countries with the most opponents, yellow for the mid-range values, and green for the most supporters.… weiter