Answer:
Option A - discrete data is the answer.
Step-by-step explanation:
Given is : A study of 85 adults showed that most owned at least 50 books. Here, 50 is discrete as it is a number (not few, half, some etc). Its discrete since the data of numbers of books is a whole value. This is why data that can only take certain values is called discrete. It is a quantitative data.
