Which of the following describes a Name Range List?

The correct choice relates specifically to how variables are structured within a dataset. A Name Range List describes a series of variables that appear in consecutive order, meaning that these variables are sequentially placed in a way that they can be referenced together easily. This is particularly useful when you want to perform operations on a group of related variables without having to list each one individually.

For instance, if you have a dataset with variables such as 'Height', 'Weight', and 'Age', and they appear side by side in the dataset, you can use a Name Range List to refer to all of them in a single command. This simplifies data manipulation and reduces the likelihood of errors when handling multiple variables, as you are clearly specifying a contiguous set.

In contrast, the other options do not accurately capture the concept of a Name Range List. They either discuss non-consecutive relationships, random orders, or reference to single variables, none of which align with the definition and utility of a Name Range List in SAS programming. This understanding is crucial for efficient data handling in SAS, particularly in data step operations and procedures where manipulating groups of variables is common.