1. True or false? Pie charts are an effective way of displaying data if the intent is to compare the size of a slice with the whole pie, rather than comparing the slices among themselves.
2. What type of chart do you think could be used to help answer the following questions?
a. What are the main issues that our business is facing?
b. What 20% of sources are causing 80% of our quality control problems?
c. Where should we focus our efforts to achieve the largest improvement?
3. What is the key difference between histograms and bar charts?