Jackson Flores has just become a sale manager of a company which manufactures household detergents and sells them directly to retail stores via a large force of salespeople. The owners have been concerned for some time about the company's varying quarterly sales figures and have asked Flores to investigate the situation. To help clarify her ideas, Flores has tabulated sales data for ten randomly selected sales areas as shown in table below. Being new to the job, Flores wants to impress the owners with her initiative. He has decided to find out if there is indeed a close relation between area sales and the number of retail outlets visited by the salespeople. If true, then Flores could improve sales revenue by making sure that his sales force visits more stores in future. Not only would he be helping the owners but also his own reputation. Flores recently attended a business computing course and knows that statistical software can help him make some sense of the data which he has collected. For example, he would like a way of measuring how close a relationship there is between the two variables, i.e., he needs to find if there is a strong correlation