A listing posted by the Subway restaurant chain gives, for each of the sandwiches it sells, the type of meat in the sandwich, number of calories, and serving size in grams. The data might be used to assess the nutritional value of the different sandwiches.

Identify the Five W’s, name the variables, specify for each variable whether its use indicates it should be treated as categorical or quantitative, and for any quantitative variable identify the units in which it was measured (or note that they weren’t provided or that the variable doesn’t have units).