Question

which is an example of a survey involving quantitative data?
the favorite food of each person
the number of cavities each person has had
the color of the walls in each person’s bedroom
the type of car that each person owns

Explanation:

Quantitative data is numerical and measurable. The number of cavities is a countable numerical value, while the other options are non-numerical qualitative data (categories/descriptions).

Answer:

the number of cavities each person has had