2 / 2 pts Why would you use a disproportional stratified random sample instead of a proportional stratified one? It provides extra participants just in case others drop out of the sample.,It is more accurate when population estimates.,It provides a larger sample of small subgroups in the population so that more powerful statistical comparisons can be made.,It provides a more accurate population estimate.Extreme-case sampling and maximum variation sampling are more likely to be used in what kind of research