What would be a procedure to help each assistant chef calculate a single value to report as the diameter of their ostrich egg. Each assistant can report only a single value as the diameter of the egg. The exact same procedure must be used for each dataset.

What could be a general formula for the index that can calculate a single value for each chef.

Diameter (cm) Chef A Diameter (cm) , Chef B 15.2 0.5 5.3 3 15.9 0.5 18.7 0.5 14.1 0.5 19.1 0.5 14.8 0.5 16.9 0.5 5 10 15 70 25 5 10 15 20 25 Diameter (cm) Diameter [cm) Diameter (cm) ,[cm) Chef C Diameter (cm] 5pama (cm) Chef D 5.3 0.5 14 2 18.7 3 15.3 2 19.1 4 14.9 2 16.9 3 15.8 10 15 30 10 15 20 25 Diameter (cm) Diameter [cm) Figure 1: Four chefs each measure an ostrich egg four times to determine its diameter