1.For consumer product; we need to select different shops from the target area randomly. So, we can use random sampling in this case.

For the political poll we need used stratified sampling because there is different opinion of different classes so first make the strata and then select the units from each strata randomly.

In this court case we can used systematic sampling we can take one sample randomly and then selection of remaining sample unit according to predetermine pattern of systematic sampling.

Explainwhy you would either support the data presented or opposethe datapresented for each of your examples as well as the conclusions drawn from them?