A survey was conducted in which the customer service representatives of two companies were rated on a scale of 1 to 6. The graph below shows customer service ratings of 20 representatives. Graph A- 4 2 3 3 4 4 Graph B- 4 2 6 2 3 3 The interquartile range for each company is 3. The difference between the median rating for each company is approximately how many times the interquartile range? A. 0.3 B. 4 C. 3 D. 2.5