Al guien que me ayude con el plano carteciano un rombo con vertice en : un obalo con vertisc en : un retangulo con vertice en : un obtagono con vertice en :

Identify all the cases where non-probability sampling is used when attempting to study the characteristics of a large city. studies on every subject in the population divide a population in groups and obtain a sample studies with a limited amount of time demonstrate existing traits in a population studies with the nth person selected