Suppose you have to sort sample units into categories according to their region of origin. The regions are “Africa,” “Americas,” “Asia,” “Europe,” and “Oceania.” For further analysis with a statistical software, you replace each region name with a numerical code: 1 for Africa, 2 for Americas, and so on. Are the data consisting of the region names qualitative or quantitative? Are the numerical codes qualitative or quantitative? Explain your answer