Answer:
Duration(amount of time) is a continuous numerical data.
Step-by-step explanation:
We are given the following situation in the question:
"A study was done to determine the age, number of times per week and the duration (amount of time) of resident use of a local park in San Jose. "
Sampling technique:
The first house in the neighborhood around the park was selected randomly and then every 8th house in the neighborhood around the park was interviewed.
Duration(amount of time):