Question

a veterinarian is visited by many pets and their owners each day. before the doctor attends to each pet, an assistant records information including the type, age, weight, and height of each pet. what are the individuals in the data set? pets types weights heights

Explanation:

In a data - set, individuals are the entities about which data is collected. Here, data is being collected about pets (type, age, weight, height). So the entities are the pets.

Answer:

pets