Respuesta :
Answer:
A. A stratified random sample.
Step-by-step explanation:
Given is -
Archaeologists choose separate samples of plots from floodplain, coast, foothills, and high hills.
We can see that the sample is divided into strata like floodplain, coast, foothills, and high hills, so this is stratified random sample.
Hence, option A is the answer.
Answer:
A. A stratified random sample.
Step-by-step explanation:
Stratified random sampling is a method of sampling that involves the division of the population into smaller groups. These groups are the known as strata. Different strata have different characteristics. In this example, the different strata would be the samples of plots from floodplain, coast, foothills, and high hills.