Question

訪客

求救抽樣調查不知道這怎麼寫🙏

The picture is USA map. There are four area, containing N=51 states. The government wants to
investigate death rate (death/confirmed) by covid-19 in USA. Asample of n=8 states is selected-
How to design and carry outa sample survey for each ofthe following designs.

a. Simple random sampling

b. Stratified sampling

c. Systematicl sampling

d. Cluster sampling with stratified sampling
In addition, to discuss and comparetheir population mean and bound onthe errorofestimation.