Question

A researcher planning a survey of heads of households in New York has census lists for each of the 62 counties in the state. The procedure will be to obtain a simple random sample of heads of households from each of the counties rather than grouping all the census lists together and obtaining a sample from the entire group. Which of the following is not a true statement about the resulting stratified sample?
a. It is more susceptible to bias than would be a simple random sample.
b. It is easier and more cost effective than a simple random sample.
c. It gives comparative information that a simple random sample wouldn’t give.
d. It recognizes that opinions of heads of household in rural NY communities may differ from those in urban communities.
e. All of the above are true statements.

Answer 1

Answer: A. It is more susceptible to bias than would be a simple random sample.

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