Kansas City Mayor Sly James wants data collectors to conduct in-person interviews with some Kansas City residents.
a. If each city block is treated as a cluster, describe how cluster sampling could be accomplished.
b. If Democrats, Republicans, Independents, and so on, are treated as strata, describe how stratified sampling could be accomplished.
c. Which sampling method would be easier, cluster or stratified? Explain.
d. Assume James wants to find out if residents are in favor of raising the sales tax to better fund schools. If the sample size is small, which sampling method would probably give better results? Explain.