For a poll of voters regarding a referendum calling for a national railways development program, design a sampling method to obtain the inviduals in the sample. be sure to support your choice. which sampling method would most likely be used in a poll of voters regarding a referendum calling for a national railways development program?
(a) use convenience sampling. a large number of voters is needed to accurately reflect the nation's voters; so a quick way to collect information is needed.
(b) use systematic random sampling. by varying the k-value, a sampling of the whole nation can be selected to achieve the needed accuracy. (c) use stratified random sampling. since this is a national issue, different geographical locations are likely to have similar views.
(d) use cluster sampling. each geographical region can be treated as a mini-population because a nation has so many individuals.
(e) use simple random sampling. people are very likely to have different opinions on the issue based on how much they use any present services that would be affected.