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 persons bedroom
○ the type of car that each person owns

Explanation:

Step1: Understand quantitative data

Quantitative data is numerical data that can be measured.

Step2: Analyze each option

• "The type of car that each person owns" is categorical (qualitative) data.
• "The color of the walls in each person's bedroom" is categorical (qualitative) data.
• "The number of cavities each person has had" is numerical (quantitative) data.
• "The favorite food of each person" is categorical (qualitative) data.

Answer:

the number of cavities each person has had