The US Department of Health and Human Services wants to know whether the healthcare system is achieving its goals in Virginia. M
uch information about healthcare comes from patient records, but that source doesn't allow us to compare people who use health services with those who don't. Therefore, the US
Department of Health and Human Services conducted the Virginia Health Survey, which was used to interview a random sample of 65,439 people who live in
the state of Virginia.
Part A: What is the population for this sample survey? What is the sample? (4 points)
Part B: The survey found that 71% of males and 88% of females in the sample had visited a general practitioner at least once during the past year. Do you
think these estimates are close to the truth about the entire population? Explain. (6 points)
<u>Part A: All the residents of the state of Virginia make up the population, while the sample is the number of those interviewed–65,439 people.</u>
<u>Part B: No</u>
<u>Step-by-step explanation:</u>
Part A: In statistical analysis, the population refers to the study area of the research; and in this case– the state of Virginia. While the sample represents a considerable representation of the population in the survey.
Part B: No because we are told The US Department of Health and Human Services <em>used a random sample, not a non-random sampling technique; </em>which implies that the feedback was random and may not likely be close to the truth about the entire population.