Last Name: , First Name: 3. A teacher gave a 20-point test to 1 1 students and recorded the scores as follows 18, 15, 12, 6, 7, 8, 2, 3, 5, 20, 10 a) Find the median: Med = [2] b) Find the 1st quartile: Q1 - c) Find the 3"d quartile: Q3 = [2] [2] d) Find the interquartile range: Q3 - Q1 = [2] e) Draw the box plot [4] 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20