mr. james mcwhinney, president of daniel-james financial services, believes there is a relationship between the number of client contacts and the dollar amount of sales. to document this assertion, mr. mcwhinney gathered the following sample information. the x column indicates the number of client contacts last month and the y column shows the value of sales ($ thousands) last month for each client sampled. number of contacts, x sales ($ thousands), y number of contacts, x sales ($ thousands), y 14 24 23 30 12 14 48 90 20 28 50 85 16 30 55 120 46 80 50 110