Answer:
The sample size
Explanation:
Dr. Prometheus aims to analyze the viewpoints of all 18-year-old Houstonians regarding marijuana legalization. She has randomly selected 500 individuals from that demographic to participate in her survey. In this case, the population being evaluated is the sample size. The sample size of a study refers to the number (n) of observations gathered from a population, which serves as the basis for making statistical inferences regarding the entire population or the number of participants whose data forms the foundation of the research conclusion.