12.25 What makes sales leaders tick? Mercuri International con- ducted a study to explore sales strategies, processes, and support systems within businesses. Organizations were categorized by sales performance level (top performers vs. middle performers vs. bottom performers) and extent to which the organization invests in customer satisfaction. Results were organized into the following table. SALES PERFORMANCE LEVEL LEVEL OF INVESTMENT Top Middle Bottom Annually 53 318 44 Every 2-4 years 40 245 23 Never 11 158 34 Total 104 721 101 At the 0.05 level of significance, is there evidence of a significant relationship between sales performance level and level of invest- ment in customer satisfaction?