The makers of a new mobile theater system that is vision correctable so there is no need to wear glasses while using the device have done a marketing research study in which they asked two independently selected groups to rate the mobile theater system on a scale of 1 to 100, with 100 being perfect satisfaction. The first group consisted of college students. The second group consisted of working professionals between the ages of 30 and 40 years. The company hoped to be able to say that the product would receive the same median ranking from each group. The following summary data were recorded:

College Students Business Professionals n = 10 n = 8 Sum of ranks = 92 Sum of ranks = 79 Based on these data, what should the company conclude? Test at the a = 0.02 level.