Question

A company has three sales departments (local, regional, and national) at each of several locations across the United States. Each local sales department has 120 employees. The company wants to survey its employees to determine the most effective sales method.Which sample should the company use to arrive at the most reliable conclusion?Group of answer choices24 employees from one sales department at one location24 employees from one sales department at each location24 employees from each sales department at one location24 employees from each sales department at each location

Answer 1

We need to use a survey to determine an effective sales method. For that we will survey the employees. Whenever we want to extract a tendency from a large number of data points, we need to spread our samples as much as possible. In this case we want to extract the knowledge from the employees, so we need to take employees from the most different branches. The correct option would be:

24 employees from each sales department at each location.