The Sirex Noctilio, a wood wasp, is considered an invasive species in Michigan and can harm and even kill pine trees. To detect the presence of the wood wasp on public land, environmental researchers partition land into one acre parcels then randomly select a sample of parcels to be fully inspected for the presence of the wood wasps in pine trees. What kind of sampling does this illustrate?
A)Stratified
B)Random Sampling
C)Systematic
D)Cluster

Question

Quizplus · Accepted Answer

This illustrates cluster sampling, where the land is divided into clusters (one-acre parcels), and a random sample of these clusters is selected for inspection.

The Sirex Noctilio, a Wood Wasp, Is Considered an Invasive