The dot plot shows the lengths of the 12 trailers sold at a store last month. What statement about the data is true ? A. The interquartile range is 7 , and the range is 17 B The interquartile range is 7, and the range is 11 C The interquartile range is 2.75 , and the range is 17 D The interquartile range is 2.75 , and the range is 11