What is the range of the data set 8,12,12,15,18?

What is the median of the data 15,8,10,6,12,11,4,7,3?

the range of the data 13, 18, 20, 15, 12, 17, 9, 14, 11, and 16 is ________.

The range of the data 12,25,15,18,17,20,22,26,6,16,11,8,19,10,30,20,32 is

The range of the data: 27,18,20,16,6,17,15,12,30,32,10,19,8,11,20 is

The range of the data 25,18,20,22,16,6,17,15,12,30,32,10,19,8,11 and 20 is

The range of the data 12,25,15,18,17,20,22,0,16,11,8,19,10,30,20,38, is

The range of the data 25, 18, 20, 22, 16, 6, 17, 15, 12, 30, 32, 10, 19, 8, 11 and 20 is

The range of the data 15, 18, 17, 16, 14, x, 12, 10, 9, 15 is 9. Which of the following is true about x ?