suppose a surveyor wants to conduct a phone s...
suppose a surveyor wants to conduct a phone survey about a new car. she plans to take a simple random sample. however, some people are on a do - not - call registry. do you believe this can affect the ability of the surveyor to obtain accurate polling results? if so, how?\n\nchoose the correct answer below.\n\na. yes, especially if the people who are on a do - not - call registry have a trait that is not accurately represented by the remaining people in the sample.\nb. yes, because it allows the surveyor to better target her intended demographic.\nc. yes, because it keeps the people who are less informed from introducing bias to the survey.\nd. no, this does not affect the surveyor’s ability to obtain accurate polling results.
Answer
# Brief Explanations:
A do - not - call registry can exclude a certain group of people. If this group has unique traits not present in the rest of the sample, it can lead to sampling bias and inaccurate results. For example, people on the registry might have different opinions about new cars compared to those not on it.
# Answer:
A. Yes, especially if the people who are on a do - not - call registry have a trait that is not accurately represented by the remaining people in the sample.