Here are the numbers that represent each based on the box plot:
Median: 11 (located at the vertical line in the middle of the box) Range: 19 - 7 = 12 (highest value - lowest value) 25%: 9 (at the left end of the box) 75%: 14 (at the right end of the box) Interquartile range: 14 - 9 = 5 (the distance from the beginning to the end of the middle half of the data)