
Chapter 11
400
Example 11.8
The best-selling product of a consumer durables manufacturer has reached the saturation stage in
its product life cycle. The company is not willing to withdraw the product from the market and has
decided to motivate its sales executives to take the personal selling route. The company organized
a three-day work shop to motivate its sales executive. Three month later, the company selected
nine sales executives randomly and collected data on the number of average productive sales calls
in a day before and after the training. The data collected are provided in the following table.
Use a = 0.05 to test whether there is a signi ...