Question

The government of a large city needs to determine whether the​ city's residents will support the construction of a new gymnasium. The government decides to conduct a survey of a sample of the​ city's residents. Which one of the following procedures would be the most appropriate for obtaining a sample of the​ city's residents?
a) Survey a random sample of the employees and inmates at the old jail.
b) Survey every fifth person who talks into the City Hall on a given day.
c) Survey a random sample of persons within each geographic region of the city.
d) Survey the first 200 people listed in the city's telephone directory.

Answer 1

Answer: C. Survey a random sample of persons within each geographic region of the city.

Explanation: To conduct survey of sample city residents in a city, the Government have to "survey a random sample of persons within each geographic region in the city". This procedure will help get appropriate samples from the city .

In random sampling each sample have an equal opportunity to be chosen to represent a set, the sample will be unbiased .