2. A random survey of people at a science-fiction convention asked them how many times they had seen Star Wars. The results are shown below. 3, 4, 2, 8, 10, 5, 1 , 15, 5, 16, 6, 3, 4, 9, 12, 3, 30, 2, 10, 7 a) Determine the median, the range, the first and third quartiles, and the interquartile range. [5 marks App] b) Prepare a suitable box plot of the data. Label all significant values. [5 marks Application]