National polls are often conducted by asking the opinions of a few thousand adults nationwide and using them to infer the opinions of all adults in the nation. Explain who is in the sample and who is in the population for such polls.

reference:

Felitti, V. J., Anda, R. F., Nordenberg, D., Williamson, D. F., Spitz, A. M., Edwards, V., Koss,

M. P., & Marks, J. S. (1998).Relationship of Childhood Abuse and Household Dysfunction to Many of the Leading Causes of Death in Adults The Adverse Childhood Experiences (ACE) Study.https://doi.org/10.1016/S0749-3797(98)00017-8

National Center for Injury Prevention and Control, Division of Violence Prevention.

(2021,).About the CDC-Kaiser Ace Study |Violence prevention|injury Center|CDC. About the CDC-Kaiser ACE Study https://www.cdc.gov/violenceprevention/aces/about.html.