A wholesale distributor operating in different regions of Portugal has information on the annual spending of several items in their stores across different regions and channels. The data (Wholesale Customer.csv) consists of 440 large retailers’ annual spending on 6 different varieties of products in 3 different regions (Lisbon, Oporto, Other) and across different sales channels (Hotel/Restaurant/Café HoReCa, Retail).

On the basis of the descriptive measure of variability, which item shows the most inconsistent behavior?
Which items show the least inconsistent behavior?