You know that consumers with high incomes show a much greater variability in their consumption of a given good than those with low incomes.What type of sample would produce the most efficient estimate of the average consumption per individual?
A)Simple random sample
B)Disproportionate stratified sample
C)Proportionate stratified sample
D)Quota sample
E)Systematic sample

Question

Quizplus · Accepted Answer

A disproportionate stratified sample would be the best choice in this scenario because it allows for a larger sample size for the high-income group, which has greater variability in consumption, while still maintaining representation from other income groups. This would lead to a more efficient estimate of the average consumption per individual compared to a simple random sample or a proportionate stratified sample. A quota sample and a systematic sample do not take into account the variability in consumption among different income groups.

You Know That Consumers with High Incomes Show a Much