Each of the following processes involves sampling from a population. Define the population, and state whether it is tangible or conceptual. $($Check all that apply.$)$ A chemical process runs $15$ times, and the yield is measured each time.

Check All That Apply

all possible chemical processes that could be run

all possible chemical processes that could be run

the $15$ times that the chemical process is run

the $15$ times that the chemical process is run

all the times the chemical process could be run

all the times the chemical process could be run

conceptual

conceptual

tangible

tangible