Identify each sample, and suggest a population from which it was selected. Then classify the sample as simple, systematic, self-selected, convenience, or stratified. Explain your reasoning.
1. LANDSCAPING A homeowner is concerned about the quality of the topsoil in her backyard. The backyard is divided
into five equal sections, and then a one-inch plug of topsoil is randomly removed from each of the five sections. The
soil is taken to a nursery and analyzed for mineral content.
what’s the answer